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.
17 citations
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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.
2 citations
,
December 2013 in “BIRDEM Medical Journal” Older people with type 2 diabetes are more likely to have gum disease.
August 2018 in “Illinois Digital Environment for Access to Learning and Scholarship (University of Illinois at Urbana-Champaign)” Chronological age affects the mouse auditory cortex more than hearing loss, and the brain may be less sensitive to mitochondrial dysfunction.
175 citations
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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.