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Journal Article
JAMA - Journal of the American Medical Association, ISSN 0098-7484, 06/2015, Volume 313, Issue 21, pp. 2121 - 2122
Cognitive aging is a lifelong process of gradual, ongoing, yet highly variable changes in cognitive function that occur as people get older. Some cognitive... 
MEDICINE, GENERAL & INTERNAL | Aging - physiology | National Academies of Science, Engineering, and Medicine (U.S.) Health and Medicine Division | United States | Humans | Cognition - physiology | Aging - psychology | Geriatrics | Memory - physiology | Aging | Older people | Public health | Cognitive ability
Journal Article
Journal Article
JAMA, ISSN 0098-7484, 05/2005, Volume 293, Issue 19, pp. 2384 - 2390
Journal Article
JAMA, ISSN 0098-7484, 03/2015, Volume 313, Issue 11, pp. 1101 - 1102
Clayton talks about myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS), which is a multisystem and often long-lasting disorder, with manifestations...