Is your hair thinning or falling out? Understanding the reasons Why My Hair Falling Out is happening is the first step to finding a solution. At WHY.EDU.VN, we delve into the common and less common causes of hair loss, hair shedding, and offer practical advice to promote hair regrowth. Explore the potential reasons behind hair thinning or sudden hair loss and discover preventive measures to maintain healthy hair with personalized advice from WHY.EDU.VN.
1. Understanding Hair Loss: An Overview
Hair loss, clinically known as alopecia, is a prevalent concern that affects individuals of all ages, genders, and backgrounds. It is characterized by the thinning or shedding of hair from the scalp or other parts of the body. Understanding the intricacies of hair loss is crucial for effective diagnosis, treatment, and management.
1.1. What is Hair Loss (Alopecia)?
Alopecia encompasses a broad spectrum of conditions that lead to hair loss. It can manifest in various forms, ranging from gradual thinning to sudden shedding, and may affect the scalp exclusively or extend to other areas of the body.
1.2. Types of Hair Loss
Several distinct types of alopecia exist, each with its unique characteristics and underlying causes:
- Androgenetic Alopecia: Also known as male-pattern baldness or female-pattern baldness, this is the most common type of hair loss. It is genetically predisposed and often follows predictable patterns of hair thinning or recession.
- Alopecia Areata: This autoimmune condition triggers patchy hair loss, typically in circular or oval-shaped areas on the scalp. In some cases, it may progress to complete baldness of the scalp (alopecia totalis) or entire body (alopecia universalis).
- Telogen Effluvium: Characterized by temporary hair shedding due to stress, hormonal changes, or medical conditions, telogen effluvium disrupts the hair growth cycle, leading to increased hair fall.
- Traction Alopecia: This type of hair loss results from prolonged or repetitive tension on hair follicles, often caused by tight hairstyles such as braids, ponytails, or weaves.
- Cicatricial Alopecia: Also known as scarring alopecia, this rare condition involves inflammation that destroys hair follicles and replaces them with scar tissue, resulting in permanent hair loss.
1.3. Normal Hair Shedding vs. Excessive Hair Loss
It’s essential to distinguish between normal hair shedding and excessive hair loss. On average, individuals lose 50 to 100 hairs per day as part of the natural hair growth cycle. However, when hair shedding exceeds this range or when hair fails to regrow adequately, it may indicate an underlying issue requiring attention. WHY.EDU.VN can help you determine whether your hair shedding is normal or a sign of a deeper problem.
2. Common Causes of Hair Loss
Understanding the underlying causes of hair loss is crucial for effective prevention and treatment. Hair loss can stem from various factors, including genetic predisposition, hormonal imbalances, medical conditions, medications, and lifestyle factors.
2.1. Genetic Predisposition (Androgenetic Alopecia)
Androgenetic alopecia, commonly known as male-pattern baldness or female-pattern baldness, is primarily determined by genetic factors. Individuals with a family history of hair loss are more likely to experience this condition. The genes inherited from parents can influence the sensitivity of hair follicles to hormones like dihydrotestosterone (DHT), which can lead to follicle miniaturization and eventual hair loss.
2.2. Hormonal Imbalances
Hormonal fluctuations can significantly impact hair growth and contribute to hair loss. Conditions such as pregnancy, childbirth, menopause, and thyroid disorders can disrupt hormonal balance, leading to temporary or permanent hair loss. For example, during pregnancy, elevated estrogen levels promote hair growth, but after childbirth, estrogen levels decline, causing hair shedding. Similarly, thyroid imbalances can affect the metabolism of hair follicles, resulting in hair thinning or loss.
2.3. Medical Conditions
Certain medical conditions can trigger or exacerbate hair loss. Autoimmune diseases like alopecia areata, lupus, and psoriasis can cause the immune system to attack hair follicles, leading to patchy or diffuse hair loss. Scalp infections such as ringworm can also damage hair follicles and result in hair loss. Additionally, chronic illnesses like diabetes and anemia can affect hair growth by impairing nutrient delivery to hair follicles.
2.4. Medications and Supplements
Hair loss can be a side effect of various medications and supplements. Chemotherapy drugs used in cancer treatment often cause temporary hair loss by targeting rapidly dividing cells, including hair follicle cells. Other medications, such as antidepressants, blood thinners, and acne treatments, may also contribute to hair loss in some individuals. It’s essential to review medication lists with healthcare providers to identify potential culprits and explore alternative options if necessary.
2.5. Stress and Trauma
Significant physical or emotional stress can disrupt the hair growth cycle and lead to temporary hair loss, known as telogen effluvium. Traumatic events, such as surgery, childbirth, or severe illness, can shock the body and cause a large number of hair follicles to enter the telogen (resting) phase simultaneously. As a result, affected individuals may experience excessive hair shedding several months after the stressful event. Managing stress through relaxation techniques, exercise, and counseling can help mitigate stress-related hair loss.
2.6. Diet and Nutrition
Inadequate nutrition can compromise hair health and contribute to hair loss. Deficiencies in essential nutrients such as iron, zinc, biotin, and protein can impair hair follicle function and lead to thinning or shedding. Iron deficiency, for example, can disrupt the delivery of oxygen to hair follicles, while protein is essential for building hair structure. Consuming a balanced diet rich in vitamins, minerals, and protein can promote healthy hair growth and prevent nutrient-related hair loss.
Table: Common Causes of Hair Loss
| Cause | Description |
|---|---|
| Genetic Predisposition | Inherited sensitivity of hair follicles to hormones, leading to gradual hair thinning. |
| Hormonal Imbalances | Fluctuations due to pregnancy, menopause, or thyroid disorders affecting hair growth. |
| Medical Conditions | Autoimmune diseases, scalp infections, or chronic illnesses damaging hair follicles. |
| Medications/Supplements | Side effects of certain drugs like chemotherapy, antidepressants, or blood thinners causing hair loss. |
| Stress and Trauma | Physical or emotional stress disrupting hair growth cycle, leading to temporary shedding. |
| Diet and Nutrition | Deficiencies in essential nutrients like iron, zinc, or protein impairing hair follicle function. |
3. Less Common Causes of Hair Loss
While several common factors contribute to hair loss, certain less prevalent causes can also play a role. Understanding these uncommon triggers is essential for comprehensive diagnosis and targeted treatment strategies.
3.1. Traction Alopecia
Traction alopecia occurs due to prolonged or repetitive tension on hair follicles, typically resulting from tight hairstyles. Hairstyles such as braids, cornrows, ponytails, and weaves, when worn too tightly or for extended periods, can exert excessive force on hair follicles. This constant pulling can damage the follicles, leading to inflammation, miniaturization, and eventual hair loss. Traction alopecia often manifests along the hairline or in areas where tension is concentrated.
3.2. Scarring Alopecia (Cicatricial Alopecia)
Scarring alopecia, also known as cicatricial alopecia, represents a group of rare disorders characterized by inflammation that destroys hair follicles and replaces them with scar tissue. Unlike non-scarring forms of hair loss, scarring alopecia results in permanent hair loss due to irreversible damage to the follicles. Various factors, including autoimmune diseases, infections, and inflammatory conditions, can trigger scarring alopecia.
3.3. Trichotillomania
Trichotillomania is a psychological disorder characterized by the recurrent urge to pull out one’s hair, leading to noticeable hair loss. Individuals with trichotillomania may pull hair from the scalp, eyebrows, eyelashes, or other areas of the body. The behavior is often triggered by stress, anxiety, or boredom, and individuals may experience a sense of relief or gratification from pulling out their hair. Trichotillomania can result in patchy bald spots, thinning hair, and emotional distress.
3.4. Frontal Fibrosing Alopecia
Frontal fibrosing alopecia (FFA) is a distinct form of scarring alopecia that primarily affects the frontal hairline and eyebrows. FFA is characterized by gradual recession of the frontal hairline, often accompanied by inflammation and scarring around hair follicles. The condition predominantly affects postmenopausal women but can also occur in men. The exact cause of FFA is unknown, but hormonal factors, autoimmune mechanisms, and genetic predisposition may play a role.
3.5. Lichen Planopilaris
Lichen planopilaris (LPP) is another type of scarring alopecia characterized by inflammation around hair follicles, leading to scarring and permanent hair loss. LPP is believed to be an autoimmune condition in which the immune system mistakenly attacks hair follicles. The condition typically presents with itchy, red, or scaly patches on the scalp, accompanied by hair loss. LPP can affect individuals of all ages and genders, but it is more common in women.
3.6. Nutritional Deficiencies (Rare)
While nutritional deficiencies are commonly associated with hair loss, severe deficiencies leading to significant hair loss are relatively rare in developed countries. However, extreme diets, malabsorption disorders, or certain medical conditions can result in deficiencies of essential nutrients required for hair growth. Deficiencies in nutrients such as biotin, zinc, iron, and essential fatty acids can impair hair follicle function and contribute to hair loss.
Table: Less Common Causes of Hair Loss
| Cause | Description |
|---|---|
| Traction Alopecia | Hair loss due to prolonged tension on hair follicles from tight hairstyles. |
| Scarring Alopecia | Permanent hair loss due to inflammation and scarring of hair follicles. |
| Trichotillomania | Psychological disorder involving recurrent hair pulling, leading to noticeable hair loss. |
| Frontal Fibrosing Alopecia | Scarring alopecia affecting the frontal hairline and eyebrows, primarily in postmenopausal women. |
| Lichen Planopilaris | Autoimmune condition causing inflammation around hair follicles, leading to scarring and hair loss. |
| Nutritional Deficiencies | Rare cases of severe deficiencies in nutrients like biotin, zinc, or iron leading to hair loss. |
4. Symptoms and Signs of Hair Loss
Recognizing the symptoms and signs of hair loss is essential for early detection and intervention. Hair loss can manifest differently depending on the underlying cause and individual factors.
4.1. Gradual Thinning
Gradual thinning of hair, particularly on the scalp, is a common symptom of androgenetic alopecia (male-pattern baldness or female-pattern baldness). In men, hair often begins to recede at the hairline, forming an “M” shape. In women, hair thinning typically occurs along the part line, leading to a widening of the part.
4.2. Patchy Bald Spots
Alopecia areata often presents with patchy bald spots on the scalp, beard, or eyebrows. These bald spots are usually circular or oval in shape and may appear suddenly. In some cases, the skin within the bald spots may be smooth and devoid of hair follicles.
4.3. Excessive Shedding
Excessive hair shedding, also known as telogen effluvium, involves a noticeable increase in the amount of hair falling out daily. Affected individuals may find clumps of hair in the shower drain, on their pillow, or when combing or brushing their hair. Excessive shedding can be triggered by stress, hormonal changes, or medical conditions.
4.4. Receding Hairline
A receding hairline is a characteristic sign of male-pattern baldness. The hairline gradually moves backward, exposing more of the forehead. In some cases, the receding hairline may be accompanied by thinning hair on the crown of the head.
4.5. Scalp Itching or Pain
Certain hair loss conditions, such as scarring alopecia or scalp infections, may cause itching, pain, or discomfort on the scalp. Inflammation around hair follicles can lead to these symptoms. In some cases, the scalp may also exhibit redness, scaling, or tenderness.
4.6. Changes in Hair Texture
Hair loss can sometimes be accompanied by changes in hair texture. The remaining hair may become finer, weaker, or more brittle. These changes can be subtle and may not be immediately noticeable.
Table: Symptoms and Signs of Hair Loss
| Symptom | Description |
|---|---|
| Gradual Thinning | Hair gradually becomes thinner, especially on the scalp, along the part line in women or hairline in men. |
| Patchy Bald Spots | Circular or oval-shaped bald spots appear on the scalp, beard, or eyebrows. |
| Excessive Shedding | A noticeable increase in the amount of hair falling out daily. |
| Receding Hairline | Hairline gradually moves backward, exposing more of the forehead. |
| Scalp Itching/Pain | Itching, pain, or discomfort on the scalp, potentially indicating inflammation or infection. |
| Changes in Hair Texture | Hair may become finer, weaker, or more brittle. |
5. Risk Factors for Hair Loss
Several factors can increase the risk of developing hair loss. Identifying these risk factors can help individuals take proactive measures to protect their hair health.
5.1. Family History
A family history of hair loss is one of the strongest risk factors for androgenetic alopecia. Individuals with parents or close relatives who have experienced hair loss are more likely to develop the condition themselves.
5.2. Age
Age is a significant risk factor for hair loss. As individuals age, hair follicles naturally shrink, and hair growth slows down. This process can lead to gradual thinning of hair over time.
5.3. Medical Conditions
Certain medical conditions, such as thyroid disorders, autoimmune diseases, and scalp infections, can increase the risk of hair loss. These conditions can disrupt the hair growth cycle or damage hair follicles, leading to hair thinning or shedding.
5.4. Stress
Chronic stress can contribute to hair loss by disrupting hormonal balance and impairing hair follicle function. High levels of stress hormones like cortisol can interfere with hair growth and cause hair follicles to enter the telogen (resting) phase prematurely.
5.5. Poor Nutrition
Inadequate nutrition can compromise hair health and increase the risk of hair loss. Deficiencies in essential nutrients such as iron, zinc, biotin, and protein can impair hair follicle function and lead to thinning or shedding.
5.6. Certain Medications
Certain medications, such as chemotherapy drugs, antidepressants, and blood thinners, can increase the risk of hair loss as a side effect. These medications can interfere with hair growth or damage hair follicles.
Table: Risk Factors for Hair Loss
| Risk Factor | Description |
|---|---|
| Family History | Having parents or close relatives who have experienced hair loss increases the likelihood of developing it. |
| Age | Hair follicles naturally shrink and hair growth slows down with age, leading to gradual thinning. |
| Medical Conditions | Thyroid disorders, autoimmune diseases, and scalp infections can disrupt hair growth or damage hair follicles. |
| Stress | Chronic stress can disrupt hormonal balance and impair hair follicle function, leading to hair loss. |
| Poor Nutrition | Deficiencies in essential nutrients can compromise hair health and increase the risk of hair loss. |
| Certain Medications | Chemotherapy drugs, antidepressants, and blood thinners can interfere with hair growth or damage hair follicles. |
6. Prevention Strategies for Hair Loss
While not all types of hair loss are preventable, adopting certain strategies can help minimize the risk and promote healthy hair growth.
6.1. Gentle Hair Care Practices
Practicing gentle hair care techniques can help prevent hair damage and reduce the risk of hair loss. Avoid harsh treatments such as perms, relaxers, and excessive heat styling. Use a wide-toothed comb to detangle hair gently, starting from the ends and working your way up to the roots. Avoid pulling or tugging on hair when brushing or combing.
6.2. Healthy Diet
Consuming a balanced diet rich in vitamins, minerals, and protein can promote healthy hair growth and prevent nutrient-related hair loss. Include foods such as fruits, vegetables, whole grains, lean protein sources, and healthy fats in your diet. Consider taking a multivitamin or specific supplements if you have known nutrient deficiencies.
6.3. Stress Management
Managing stress through relaxation techniques, exercise, and counseling can help mitigate stress-related hair loss. Practice mindfulness, meditation, or yoga to reduce stress levels. Engage in regular physical activity to improve mood and reduce tension. Seek professional help if you are struggling to cope with stress.
6.4. Avoid Tight Hairstyles
Avoid wearing tight hairstyles that pull on hair follicles, as this can lead to traction alopecia. Opt for looser hairstyles such as braids, buns, or ponytails that do not put excessive tension on the hair. Avoid using rubber bands or hair accessories that can damage or break hair.
6.5. Limit Heat Styling
Limit the use of heat styling tools such as hair dryers, curling irons, and straighteners, as excessive heat can damage hair and lead to breakage. When using heat styling tools, apply a heat protectant spray to minimize damage. Use the lowest heat setting possible and avoid prolonged exposure to heat.
6.6. Protect Hair from Sun Exposure
Protect your hair from sun exposure by wearing a hat or scarf when spending time outdoors. Prolonged exposure to sunlight can damage hair and make it more prone to breakage and dryness. Use hair products that contain UV protection to shield hair from the sun’s harmful rays.
Table: Prevention Strategies for Hair Loss
| Strategy | Description |
|---|---|
| Gentle Hair Care | Avoid harsh treatments and excessive heat styling; use a wide-toothed comb to detangle hair gently. |
| Healthy Diet | Consume a balanced diet rich in vitamins, minerals, and protein to promote healthy hair growth. |
| Stress Management | Practice relaxation techniques, exercise, and counseling to mitigate stress-related hair loss. |
| Avoid Tight Hairstyles | Opt for looser hairstyles to prevent traction alopecia and damage to hair follicles. |
| Limit Heat Styling | Minimize the use of heat styling tools and apply heat protectant spray when using them. |
| Protect Hair from Sun | Wear a hat or scarf to shield hair from sun exposure and use hair products with UV protection. |
7. Treatment Options for Hair Loss
Various treatment options are available for hair loss, ranging from over-the-counter medications to prescription therapies and surgical procedures. The choice of treatment depends on the type and severity of hair loss, as well as individual factors.
7.1. Over-the-Counter Medications
Over-the-counter medications such as minoxidil (Rogaine) are commonly used to treat androgenetic alopecia. Minoxidil is available in liquid or foam form and is applied directly to the scalp. It works by prolonging the growth phase of hair follicles and increasing blood flow to the scalp.
7.2. Prescription Medications
Prescription medications such as finasteride (Propecia) are used to treat male-pattern baldness. Finasteride is an oral medication that works by blocking the production of dihydrotestosterone (DHT), a hormone that contributes to hair loss. Other prescription medications, such as corticosteroids, may be used to treat inflammatory conditions that cause hair loss.
7.3. Laser Therapy
Low-level laser therapy (LLLT) is a non-invasive treatment that uses laser light to stimulate hair growth. LLLT devices, such as laser combs and helmets, emit low-level laser light that is absorbed by hair follicles, promoting cellular activity and hair growth.
7.4. Hair Transplant Surgery
Hair transplant surgery involves transplanting hair follicles from areas of the scalp with healthy hair growth to areas with thinning or balding hair. There are two main types of hair transplant surgery: follicular unit transplantation (FUT) and follicular unit extraction (FUE). FUT involves removing a strip of scalp from the back of the head and dissecting it into individual hair follicles, while FUE involves extracting individual hair follicles directly from the scalp.
7.5. Platelet-Rich Plasma (PRP) Therapy
PRP therapy involves injecting platelet-rich plasma into the scalp to stimulate hair growth. Platelet-rich plasma is derived from the patient’s own blood and contains growth factors that promote tissue repair and regeneration. PRP therapy is thought to stimulate hair follicle growth and increase hair density.
7.6. Topical Corticosteroids
Topical corticosteroids, such as creams or lotions containing hydrocortisone or clobetasol, may be prescribed to reduce inflammation and alleviate symptoms associated with certain hair loss conditions, such as alopecia areata or seborrheic dermatitis. These medications can help calm the scalp and promote hair regrowth in affected areas.
7.7. Immunotherapy
Immunotherapy, such as the application of topical immunotherapy agents like diphencyprone (DCP), may be used to treat alopecia areata. These agents work by inducing an allergic reaction on the scalp, which stimulates hair regrowth in some individuals. Immunotherapy is typically administered under the supervision of a dermatologist due to the potential for side effects.
Table: Treatment Options for Hair Loss
| Treatment | Description |
|---|---|
| Over-the-Counter Medications | Minoxidil (Rogaine) applied topically to stimulate hair growth. |
| Prescription Medications | Finasteride (Propecia) taken orally to block DHT production and corticosteroids for inflammation. |
| Laser Therapy | Low-level laser therapy (LLLT) to stimulate hair growth. |
| Hair Transplant Surgery | Follicular unit transplantation (FUT) or follicular unit extraction (FUE) to transplant hair follicles. |
| Platelet-Rich Plasma (PRP) | Injecting platelet-rich plasma into the scalp to stimulate hair growth. |
| Topical Corticosteroids | Creams or lotions containing hydrocortisone or clobetasol to reduce inflammation. |
| Immunotherapy | Topical agents like diphencyprone (DCP) to stimulate hair regrowth by inducing an allergic reaction. |
8. Living with Hair Loss: Coping Strategies
Living with hair loss can be emotionally challenging. Adopting effective coping strategies can help individuals manage the psychological impact and maintain a positive self-image.
8.1. Support Groups
Joining a support group for individuals with hair loss can provide a sense of community and shared experience. Support groups offer a safe space to share feelings, exchange tips, and learn from others who understand what you’re going through.
8.2. Wigs and Hairpieces
Wearing wigs or hairpieces can be a temporary or long-term solution for concealing hair loss. Wigs and hairpieces come in a variety of styles, colors, and materials, allowing individuals to choose options that suit their preferences and needs.
8.3. Scalp Camouflage
Scalp camouflage techniques, such as applying tinted powders or sprays to the scalp, can help create the illusion of fuller hair. These products can fill in sparse areas and reduce the contrast between the scalp and hair, making hair loss less noticeable.
8.4. Counseling
Seeking counseling or therapy can help individuals cope with the emotional impact of hair loss. A therapist can provide support, guidance, and coping strategies for managing feelings of anxiety, depression, or low self-esteem.
8.5. Focus on Overall Health
Focusing on overall health and well-being can improve self-esteem and body image. Engage in regular exercise, eat a healthy diet, and prioritize self-care activities. Remember that hair loss is just one aspect of your identity, and there are many other qualities that make you unique and valuable.
8.6. Educate Yourself
Understanding the causes, treatments, and prognosis of your specific type of hair loss can empower you to make informed decisions about your care. Consult with healthcare professionals, such as dermatologists or trichologists, to learn more about your condition and explore treatment options.
Table: Coping Strategies for Living with Hair Loss
| Strategy | Description |
|---|---|
| Support Groups | Joining a support group for individuals with hair loss provides community and shared experiences. |
| Wigs and Hairpieces | Wearing wigs or hairpieces can conceal hair loss temporarily or long-term. |
| Scalp Camouflage | Applying tinted powders or sprays to the scalp can create the illusion of fuller hair. |
| Counseling | Seeking therapy can help manage the emotional impact of hair loss. |
| Focus on Health | Engaging in exercise, eating a healthy diet, and prioritizing self-care activities can improve self-esteem. |
| Educate Yourself | Understanding your condition and treatment options can empower you to make informed decisions about your care. |
9. When to See a Doctor
It’s essential to consult a doctor or dermatologist if you experience sudden or excessive hair loss, especially if it’s accompanied by other symptoms such as scalp itching, pain, or inflammation.
9.1. Sudden Hair Loss
Sudden hair loss can indicate an underlying medical condition or trigger, such as telogen effluvium, that requires evaluation and treatment.
9.2. Rapid Hair Thinning
Rapid hair thinning, especially if it occurs over a short period, may be a sign of an autoimmune condition, infection, or other medical issue that needs prompt attention.
9.3. Scalp Symptoms
Scalp symptoms such as itching, pain, redness, scaling, or tenderness can indicate a scalp infection, inflammatory condition, or scarring alopecia that requires diagnosis and management.
9.4. Hair Loss with Other Symptoms
Hair loss accompanied by other symptoms such as fatigue, weight loss, or changes in skin or nails may indicate an underlying systemic illness that needs to be investigated.
9.5. Concerns About Treatment Options
If you have concerns about the safety or effectiveness of hair loss treatment options, or if you’re unsure which treatment is right for you, consult a healthcare professional for guidance.
9.6. Persistent Hair Loss
If hair loss persists despite trying over-the-counter treatments or lifestyle changes, it’s advisable to seek medical advice to determine the underlying cause and explore further treatment options.
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10. FAQ: Addressing Your Hair Loss Concerns
1. What are the first signs of balding?
The first signs of balding often include gradual thinning on the top of the head, a receding hairline (in men), or a widening part (in women).
2. Can stress cause hair loss?
Yes, significant stress can lead to a type of temporary hair loss called telogen effluvium.
3. What vitamin deficiencies cause hair loss?
Deficiencies in vitamins such as biotin, iron, zinc, and vitamin D can contribute to hair loss.
4. Can hair grow back after thinning?
In many cases, hair can regrow, especially if the cause of thinning is addressed. However, with androgenetic alopecia, hair regrowth may be limited without treatment.
5. Is hair loss genetic?
Yes, androgenetic alopecia, or male/female pattern baldness, is largely determined by genetics.
6. How can I stop my hair from falling out?
Depending on the cause, strategies include gentle hair care, a healthy diet, stress management, and medical treatments like minoxidil or finasteride.
7. Does frequent hair washing cause hair loss?
No, frequent hair washing does not directly cause hair loss, but harsh shampoos and rough handling can contribute to breakage.
8. What are the best foods for hair growth?
Foods rich in protein, iron, zinc, vitamins A, C, D, and E, and omega-3 fatty acids are beneficial for hair growth.
9. Can hormonal imbalances cause hair loss?
Yes, hormonal imbalances related to conditions like pregnancy, menopause, and thyroid disorders can cause hair loss.
10. When should I see a doctor about hair loss?
See a doctor if you experience sudden or excessive hair loss, scalp symptoms, or if you’re concerned about the cause or treatment options.
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