After age 65, your body can't adjust to changes in air temperature -- especially heat -- as quickly as it did when you were younger. That puts you at risk for heat-related illnesses.
Researchers express hope that finding will lead to treatments
When blood sugar is elevated, but not high enough for full-blown diabetes
Signs that you should visit the doctor
Parkinsons drugs may thwart treatment-resistant strain, study finds
If you're at risk for a heart attack, you should do more than take cholesterol-lowering medication. Researchers at the University of Texas studied 400 people with heart disease and found that those who took only medication had a 30 percent risk for a heart attack or open-heart surgery. But those who took medication, ate a low-fat diet and exercised had a 5 percent risk.