A study from Padua, Italy shows that people over 60 who have low blood levels of vitamin D are at high risk for weak muscles and disability.

Lack of vitamin D interferes with your ability to kill germs and increases your chances of developing certain cancers such as prostate cancer. You get vitamin D in liver, kidney and eggs, but doctors tell you to limit these foods because they are rich sources of cholesterol. Most people meet their needs for vitamin D from sunlight, but doctors tell you that excessive exposure to sunlight causes skin cancer and wrinkling. This study shows that all older people should get a blood test for vitamin D and those with low levels should eat fatty fish, take vitamin D supplements, or expose a few inches of skin to sunlight for ten minutes a day.

The Journals of Gerontology Series A: Biological Sciences and Medical Sciences 57:M7-M11 (2002) Relation Between Vitamin D, Physical Performance, and Disability in Elderly Persons. Mauro Zambonia, Elena Zoicoaa Cattedra di Geriatria, Universitàà di Verona, Verona, Italy

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