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Women in their 70's who exercise and eat healthy amounts of fruits and vegetables have a longer life expectancy, according to research published in the Journal of the American Geriatrics Society.
Researchers at the University of Michigan and Johns Hopkins University studied 713 women aged 70 to 79 years who took part in the Women's Health and Aging Studies.
The lead researcher said, "A number of studies have measured the positive impact of exercise and healthy eating on life expectancy, but what makes this study unique is that we looked at these two factors together."
Researchers found that the women who were most physically active and had the highest fruit and vegetable consumption were eight times more likely to survive the five-year follow-up period than the women with the lowest rates.
To estimate the amount of fruits and vegetables the women ate, the researchers measured blood levels of carotenoids-beneficial plant compounds that the body turns into antioxidants, such as beta-carotene. The more fruits and vegetables consumed, the higher the levels of carotenoids in the bloodstream.
Study participants' physical activity was measured through a questionnaire that asked the amount of time the spent doing various levels of physical activity, which was then converted to the number of calories expended.
The women were then followed up to establish the links between healthy eating, exercise and survival rates.
Key research findings included:
When taken together, physical activity levels and total serum carotenoids predicted better survival.
All research on this web site is the property of Leslie Beck and is protected by copyright. Keep in mind that research on these matters continues daily and is subject to change. The information presented is not intended as a substitute for medical treatment. It is intended to provide ongoing support of your healthy lifestyle practices.
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