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SOURCES:

Merck Manual: “Changes in the Body With Aging,” “Effects of Aging on the Digestive System.”

National Institute on Aging: “How the Aging Brain Affects Thinking,” “Heart Health and Aging,” “Sexuality in Later Life,” “Overcoming Roadblocks to Healthy Eating.”

American Academy of Dermatology: “How to Care for Your Skin in Your 60s and 70s.”

National Institute of Diabetes and Digestive and Kidney Diseases: “Health Tips for Older Adults.”

National Sleep Foundation: “Aging and Sleep.”

Canadian Medical Association Journal: May 14, 2013.

Journal of Sexual Medicine: published online, Nov. 20, 2013.

National Institutes of Health: “Age-Related Hearing Loss.”

American Council on Exercise: “Is it true that metabolism decreases with age?”

Office on Women’s Health: “Osteoporosis.”

Harvard Health: “What makes my joints stiff in the morning?”

American Academy of Family Physicians: “Sleep Changes in Older Adults.”

Medscape: “Urinary Incontinence in the Aging Female.”