Why am I losing my hair?
Pro Research Analysisby 
Searched over 200M research papers
Consensus Meter
Understanding the Causes of Hair Loss
Hair loss, or alopecia, is a multifaceted condition with numerous potential causes. It can be a distressing experience, impacting self-esteem and quality of life. This article explores the various systemic, physiological, and psychological factors contributing to hair loss.
Systemic Causes of Hair Loss
Androgenetic Alopecia
Androgenetic alopecia, commonly known as male or female pattern baldness, is the most prevalent form of hair loss. It is characterized by a receding hairline and thinning hair on the crown in men, and diffuse thinning over the top of the scalp in women. This condition is primarily driven by genetic and hormonal factors, particularly the influence of androgens .
Telogen Effluvium
Telogen effluvium is another common cause of hair loss, often triggered by significant stress, illness, or hormonal changes such as those occurring postpartum. This condition leads to diffuse shedding of hair and can be temporary or chronic. Recent studies have highlighted its association with post-COVID-19 symptoms, where it may even lead to permanent hair loss due to fibrosis .
Autoimmune Disorders
Alopecia areata is an autoimmune condition resulting in patchy hair loss on the scalp and other body parts. It is reversible but challenging to treat. The introduction of JAK inhibitors has provided new treatment avenues, although concerns about their long-term safety persist .
Nutritional Deficiencies
Nutritional deficiencies, particularly iron and essential amino acids like L-lysine, are significant contributors to hair loss, especially in women. Correcting these deficiencies can often restore hair growth, although it may take several months.
Endocrine Disorders
Thyroid disturbances and other hormonal imbalances can also lead to hair loss. Conditions such as polycystic ovarian syndrome (PCOS) are often associated with androgenetic alopecia due to hormonal dysfunction .
Psychological and Social Impact
Stress and Hair Loss
Stress is a well-documented factor in hair loss, capable of inducing telogen effluvium and exacerbating conditions like androgenetic alopecia. The psychological burden of hair loss can be profound, leading to anxiety, depression, and significant life decisions based on the condition .
Societal Perceptions
Hair loss carries a substantial psychological and social stigma, often associated with aging and reduced attractiveness. This societal pressure can drive individuals to seek various treatments, both conventional and unconventional, to restore their hair .
Conclusion
Hair loss is a complex condition with multiple underlying causes, ranging from genetic and hormonal factors to nutritional deficiencies and autoimmune disorders. The psychological impact of hair loss is significant, affecting self-esteem and mental health. Understanding the diverse etiologies of hair loss is crucial for effective diagnosis and treatment, ultimately improving patient outcomes and satisfaction.
Sources and full results
Most relevant research papers on this topic