January 2019 in “Revista Medicina Cutánea Ibero-Latino-Americana” Vitamin D is important for skin health and can help improve various skin conditions.
January 2015 in “Journal of Nutrition and Health” Fish oil improves hair growth in diabetic and high-cholesterol rats.
September 2011 in “Clinical Biochemistry” Sodium metasilicate improved spinal motoneuron recovery after sciatic nerve injury in rats.
December 2006 in “Annales D Endocrinologie” Estrogen-progestin contraception lowers ovarian, endometrial, and colon cancer risk but may raise breast and cervical cancer risk, helps with menstrual and acne issues, and new methods are as effective as pills. Metformin helps overweight women with PCOS and insulin resistance, and dopamine agonists treat prolactinomas.
Selenium is essential but can be harmful in excess, and China struggles with balancing its levels for health.
September 2011 in “Clinical Biochemistry” Certain sugars increase in some layers of the hair follicle during the middle of the healing process in rats, which may help improve healing.
5 citations
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July 2018 in “Skin appendage disorders” Sunscreen spray on the scalp may be linked to a type of scarring hair loss.
29 citations
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July 2013 in “Journal of Investigative Dermatology” UV radiation causes skin cancer, but sunscreens and certain drugs can help prevent it.
16 citations
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February 2015 in “Photochemistry and Photobiology” Hair acts as a significant natural sun barrier, with protection increasing based on hair density, thickness, and melanin presence.
18 citations
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February 2001 in “Journal of International Medical Research” Hairgain® significantly increased hair growth and was well-tolerated by individuals with hair loss.
1 citations
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June 2019 in “Current developments in nutrition” A combination of arginine silicate complex and magnesium biotinate improves hair and nail growth in rats.
October 2024 in “Journal of the Pakistan Medical Association” Genetics, nutrition, lifestyle, and hormones affect early grey hair, but more research is needed.
June 2015 in “Journal of the turkish academy of dermatology” Eating the right foods is important for skin health and can help treat some skin conditions.
6 citations
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January 1998 in “Journal of Investigative Dermatology” Estrogen receptors may not affect mouse hair growth as previously thought, and oxybenzone in sunscreen is stable in sunlight.
December 2009 in “Expert review of dermatology” Vitamin D may help protect against nonmelanoma skin cancer.
June 2006 in “Journal of the American Academy of Dermatology” Clear glass lets most UV rays through, so it's important to know how well different glasses block UV to protect yourself.
2 citations
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November 2009 in “Korean journal of chemical engineering” Adding Brij 78 to minoxidil microparticles in a certain solution helps them stick to the skin better and prevents clumping.
January 2026 in “Molecular Nutrition & Food Research” Gynostemma pentaphyllum and Damulin B help prevent skin aging from UVB by reducing oxidative stress and improving skin health.
1533 citations
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October 2008 in “Endocrine reviews” Mice without the vitamin D receptor have bone issues and other health problems, suggesting vitamin D is important for preventing various diseases in humans.
855 citations
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June 2009 in “The Journal of Clinical Endocrinology & Metabolism” The guideline recommends mental health involvement in diagnosing gender identity disorder and outlines hormone and surgical treatment protocols, emphasizing safety, informed consent, and long-term monitoring.
506 citations
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March 2005 in “The Journal of Clinical Endocrinology and Metabolism” Testosterone therapy improves physical function, strength, and body composition in older men with low testosterone levels.
363 citations
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May 2006 in “Current Opinion in Psychiatry” Anorexia and bulimia lead to serious health problems and increased risk of death, requiring aggressive treatment.
277 citations
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July 2002 in “Molecular Endocrinology” Removing part of the vitamin D receptor stops vitamin D from working properly.
251 citations
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October 2014 in “The Journal of Clinical Endocrinology & Metabolism” The guidelines advise against using testosterone and DHEA in women for most conditions due to safety and effectiveness concerns, but suggest considering testosterone for postmenopausal women with low sexual desire.
195 citations
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February 2007 in “The Journal of Clinical Endocrinology and Metabolism” Dutasteride and finasteride may reduce sperm count and volume but don't affect movement or shape; effects are reversible after stopping.
119 citations
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July 2016 in “Annals of the New York Academy of Sciences” Vitamin D has potential benefits for cancer prevention, heart health, diabetes, obesity, muscle function, skin health, and immune function, but clinical results are mixed and more research is needed.
91 citations
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January 2009 in “International Journal of Trichology” Different hair evaluation methods have their own pros and cons, and using multiple methods together is best for accurate hair loss diagnosis and tracking.
82 citations
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April 1981 in “Clinical endocrinology” A girl with rickets and hair loss was found to have a rare condition where her body didn't respond to vitamin D treatment.
75 citations
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May 2013 in “Journal of the American Academy of Dermatology” Zinc deficiency in children can cause skin issues and can be serious if not diagnosed and treated properly.
73 citations
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July 2016 in “Cosmetics” Mushrooms have beneficial properties for skin and hair care products and have great potential for future cosmetic use.