17 citations,
June 2012 in “The Anatolian journal of cardiology” Premature hair graying may be a sign of increased risk for heart disease, indicating biological age is more important than actual age.
49 citations,
April 2010 in “International Journal of Cosmetic Science” Hair ages as the cuticle wears down, especially beyond 1 meter from the root, affecting its strength and shine.
2 citations,
December 2013 in “BIRDEM Medical Journal” Older people with type 2 diabetes are more likely to have gum disease.
175 citations,
November 2009 in “PLOS ONE” Women look young for their age due to larger lips, less sun damage, and genes that prevent gray hair and wrinkles.
September 1998 in “Journal of The European Academy of Dermatology and Venereology” Aging affects hair density and skin health, and Behcet's disease, a complex condition with no specific test, involves sores and systemic issues, treated with various medications.