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Healthy habits can actually repair your DNA, say researchers Dean Ornish, MD, and Elizabeth Blackburn, MD. Their study subjects ate vegetarian whole foods with 10 percent of calories from fat, walked 30 minutes six days a week, used stress-reducing techniques, and went to a weekly support group. The results? Besides a decrease in LDL cholesterol and stress levels, they showed a 29 percent rise in telomerase. This enzyme repairs and lengthens telomeres, tiny protein complexes on the ends of chromosomes that are vital for immunity and longevity. Short telomeres and low levels of telomerase signal an increased risk of heart disease and cancer, plus a poor prognosis if you do get ill.
Simple Habits Pay Off
Sticking to four healthy habits regularly will help you live longer, according to Harvard researchers. Middle-aged women who ate right, exercised, stayed at a healthy weight, and never smoked had a 71 percent lower risk of premature death than those who had none of the healthy habits. The healthy women also reduced their risk of cancer death by 65 percent and fatal heart disease by 87 percent. The worst habit? Smoking. Those who smoked 1 to 14 cigarettes a day had a 94 percent higher risk of early death. But as obesity becomes much more common than smoking, this may change.
Move More, Cut Cancer
An active lifestyle may help prevent cancer-especially in women, say Japanese researchers. Tracking almost 80,000 people, they looked at energy expended during standing, walking, sitting, and working out. The most active men were 13 percent less likely to get cancer than the least active men; for women, the gap was 16 percent. Even small increases in activity improved the odds of staving off the disease.
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