AMA #63: A guide for hair loss: causes, treatments, transplants, and sex-specific considerations

Peter Attia

Sep 9, 2024

Episode description

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In this “Ask Me Anything” (AMA) episode, Peter dives deep into the topic of hair loss, exploring its relationship with aging and its impact on quality of life. The conversation focuses on androgenic alopecia, the most common form of hair loss in both men and women, and covers the differences in patterns and causes between the sexes. Peter delves into the right timing for treatment, breaking down various options such as minoxidil and finasteride, low-level laser therapy, platelet-rich plasma injections, and more. Additionally, Peter outlines the pros and cons of the two primary hair transplantation methods and concludes with practical advice on selecting the right specialist or treatment team for those facing hair loss.

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We discuss:

The impact of hair loss on emotional health [2:15];
The prevalence, patterns, and causes of hair loss in men and women [5:15];
The genetic and hormonal causes of hair loss, and the role of dihydrotestosterone (DHT) in androgenic alopecia [8:45];
The visual differences in hair loss patterns between men and women, and the importance of consulting a specialist to rule out non-genetic causes of hair loss [13:30];
How genetic predisposition influences the risk of androgenic alopecia, and how early detection through diagnostic tools and blood tests can help manage risk more effectively [16:45];
Ideal timing for starting treatment: why early treatment is crucial for effectively managing hair l

Mindsip insights from this episode:

Acknowledge prevalence of female pattern hair loss

Female pattern hair loss is surprisingly common, affecting between 20% to 50% of women over their entire lifespan.

#hair-loss

#women

Focus on follicle sensitivity to combat hair loss

Genetic sensitivity of hair follicles to DHT is far more important in causing hair loss than the absolute level of DHT in your blood.

#DHT

#hair-loss

Rethink DHT levels as predictors of baldness

Your blood DHT level is not a reliable marker for androgenic alopecia, as there is no known minimum threshold that prevents hair loss.

#DHT

#hair-loss

Explore modern treatments for effective hair loss solutions

A wide range of treatments are available, including minoxidil, finasteride, dutasteride, spironolactone, ketoconazole shampoo, low-level laser therapy, and PRP injections.

#hair-loss

#therapy

Address hair loss to enhance emotional healthspan

Hair loss can be considered a healthspan issue because the distress it causes may impair emotional health and quality of life.

#hair-loss

#healthspan

Avoid testosterone therapy to prevent accelerated hair loss

Taking supplemental testosterone increases DHT levels, which can accelerate the process of hair loss in genetically predisposed individuals.

#hair-loss

#testosterone

Rule out deficiencies and medications to prevent hair loss

Deficiencies in iron, vitamin D, and B12, along with rare side effects from statins or antidepressants, can cause hair loss and should be ruled out.

#deficiency

#hair-loss

Peter Attia

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