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Eat Less to Live Longer?
Is it possible to live a good deal longer by eating a good deal less? Proponents of a strict dietary regimen called calorie restriction (CR) claim that it can extend your life and prevent diseases associated with aging. The diet consists of eating a very low-calorie but nutritionally balanced diet that meets 100% of vitamin, mineral, protein and essential fat needs. But can such a lifestyle, which means a dramatic change in eating habits for most Americans, be the "fountain of youth" its followers claim?
The Science Behind Calorie Restriction
CR gained momentum in the 1930s after studies on mice showed that reducing their normal food intake by about 40% increased their maximum life span by 30% to 40%. Since then, research on worms and monkeys has shown that CR works in other species.
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How is PSA used to monitor prostate cancer?

Effects of sleep deprivation

Progressive relaxation techniques for insomnia

How to test for sleep apnea: At home or in a lab

How sleep deprivation can harm your health

Extreme heat endangers older adults: What to know and do

Want to cool down? 14 ideas to try

What is a PSA test and how is it used?

Blood sugar–friendly fruits if you have diabetes

Gratitude enhances health, brings happiness — and may even lengthen lives
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