The average person has 5 million hairs. Hair grows all over your body except on your lips, palms, and the soles of your feet. It takes about a month for healthy hair to grow half an inch. Most hairs grow for up to six years and then fall out. New hairs grow in their place.
- Ouch! Americans Injuring Themselves Grooming Pubic Hair (08/16/2017, HealthDay)
Prevention and Risk Factors
- Tips for Healthy Hair (American Academy of Dermatology)
- Genetics Home Reference: autosomal recessive hypotrichosis (National Library of Medicine)
- Genetics Home Reference: keratoderma with woolly hair (National Library of Medicine)
- Genetics Home Reference: monilethrix (National Library of Medicine)
- Genetics Home Reference: uncombable hair syndrome (National Library of Medicine)
- ClinicalTrials.gov: Hair Diseases (National Institutes of Health)
Journal Articles References and abstracts from MEDLINE/PubMed (National Library of Medicine)
- Article: 11-Oxygenated Androgens Are Biomarkers of Adrenal Volume and Testicular Adrenal...
- Article: Testosterone in Women: Measurement and Therapeutic Use.
- Article: Psychological Distress Is More Prevalent in Fertile Age and Premenopausal...
- Hair Problems -- see more articles
- Hair restoration -- see more articles
- Evaluation and Treatment of Hirsutism in Premenopausal Women (Hormone Health Network) - PDF
- Hirsutism and Polycystic Ovarian Syndrome (American Society for Reproductive Medicine)
- Aging changes in hair and nails (Medical Encyclopedia) Also in Spanish
- Dry hair (Medical Encyclopedia) Also in Spanish
- Excessive or unwanted hair in women (Medical Encyclopedia) Also in Spanish
- Folliculitis (Medical Encyclopedia) Also in Spanish
- Trichorrhexis nodosa (Medical Encyclopedia) Also in Spanish