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September 2016 in “Human Reproduction” Polycystic ovary syndrome affects about 6-10% of women, with varying symptoms and the need for standardized global definitions.
633 citations,
September 1998 in “The Journal of Clinical Endocrinology and Metabolism” PCOS affects a similar percentage of Black and White women in the Southeastern United States.
251 citations,
October 2006 in “Plastic and reconstructive surgery/PSEF CD journals” Using platelet plasma growth factors in baldness surgery can increase the number of hair follicles.
150 citations,
February 2008 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Antiandrogens are somewhat effective in reducing excessive hair growth in women.
136 citations,
May 2016 in “Phytotherapy Research” Turmeric may have benefits for skin health, but more research is needed to confirm its effectiveness.
117 citations,
September 2013 in “Lasers in Surgery and Medicine” Red light therapy at 655 nm significantly improved hair growth in men with hair loss.
116 citations,
February 2017 in “Journal of the American Academy of Dermatology” JAK inhibitors help with skin conditions but need more research on dosing and safety.
116 citations,
May 1992 in “The American Journal of Medicine” Flutamide rarely causes liver toxicity in prostate cancer patients.
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November 1978 in “JAMA” The Protein-Sparing Modified Fast is effective for rapid weight loss and maintaining it, but requires medical supervision and can have side effects.
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April 2007 in “The Journal of Clinical Endocrinology & Metabolism” Women with type 1 diabetes often have polycystic ovary syndrome and excess male hormones, which are frequently undiagnosed.
95 citations,
January 2007 in “Human biology” Human hair can be classified into eight types based on physical features, not ethnicity.
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September 2008 in “Journal of the American Academy of Dermatology” Traction alopecia is more common in African women than girls, especially when traction is applied to chemically relaxed hair; avoiding such hairstyles may reduce the risk.
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February 2000 in “Dermatologic Surgery” Alexandrite laser hair removal is safe for darker skin tones.
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July 2018 in “Nursing Clinics of North America” PCOS is a common hormonal disorder in women, marked by symptoms like hair growth and menstrual issues, and requires personalized treatment.
85 citations,
August 2018 in “Psychological Medicine” Women with PCOS are more likely to suffer from depression, anxiety, and stress.
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January 1975 in “Food and Cosmetics Toxicology” The hair dye formulations tested did not cause long-term toxicity or cancer in mice.
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January 2017 in “Skin appendage disorders” Biotin supplements may improve hair and nail growth in people with certain deficiencies or conditions, but there's not enough evidence to recommend it for healthy individuals.
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January 2000 in “Gynecological Endocrinology” Norgestimate is the most effective birth control progestin for reducing an enzyme linked to acne and excessive hair growth in women.
78 citations,
May 1989 in “The Journal of Clinical Endocrinology & Metabolism” Spironolactone effectively reduces hair growth in women with hirsutism and is generally well-tolerated.
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August 2014 in “Journal of Investigative Dermatology” Aging mice have slower hair regeneration due to changes in signal balance, but the environment, not stem cell loss, controls this, suggesting treatments could focus on environmental factors.
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June 2019 in “International Journal of Cosmetic Science” 18β-glycyrrhetinic acid from licorice root is good for skin and hair treatments but has absorption challenges.
72 citations,
June 2008 in “The Journal of urology/The journal of urology” Dutasteride and finasteride do not significantly affect bone density, blood fats, or blood production, but slightly lower PSA levels and minimally impact sexual function in healthy young men.
70 citations,
July 2011 in “British journal of dermatology/British journal of dermatology, Supplement” Methotrexate sometimes helps regrow hair in children with severe alopecia areata and is generally safe.
64 citations,
April 2005 in “International Journal of Dermatology” Hair transplant destroyed by lichen planopilaris.
58 citations,
June 2006 in “Plastic and Reconstructive Surgery” Mice healed without scars as fetuses but developed scars as adults, suggesting scarless healing might be replicated with further research.
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November 1987 in “Pediatric Dermatology” Children's hair grows in different types from before birth through puberty, with growth rates and characteristics varying by age, sex, and race.
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June 1982 in “The BMJ” Cooling the scalp below 22°C before and during chemotherapy can help prevent hair loss.
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September 2011 in “Journal of the European Academy of Dermatology and Venereology” Obese people have more skin problems like stretch marks and infections, which get worse with higher obesity levels.
44 citations,
January 2013 in “International Journal of Trichology” Finasteride 5 mg/day effectively treats hair loss in postmenopausal women without hyper-androgenism.