In Question

Is indoor tanning safer than sunbathing?

There’s nothing safe about tanning, period. Just like the sun, tanning beds give off ultraviolet (UV) rays that penetrate deep into the skin, causing damage that can lead to wrinkling, age spots and skin cancer. In fact, the UV rays emitted by some tanning lamps are 15 times stronger than those from the sun. And studies show that people who use tanning beds before age 35 may increase their risk for deadly skin cancer by 75 percent. If you’re not content with your skin’s natural hue, sunless tanning lotions are available. They give the look of a tan without the harmful UV rays.

What is a low-glycemic-index food?

The glycemic index (GI) measures how a carbohydrate-rich food will affect a person’s blood sugar. Low-GI foods cause a slower, more gradual — and therefore healthier — change in blood sugar. Examples include high-fiber fruits and vegetables, whole-grain cereals and beans. High-GI foods, on the other hand, cause blood sugar to spike quickly and strongly. Sugary cereals, candy, pasta and white bread all have a high GI. In general, low-GI foods are more nutritious than high-GI foods and help protect the body from disease.

I’ve been exercising to lose weight, but I’m concerned.
Will the extra wear and tear on my joints cause arthritis?

You can work out worry-free, say arthritis experts. Research shows that even high-intensity workouts don’t increase the risk for arthritis. And if you’re more than 10 pounds overweight, slimming down may help lower your risk. That’s because excess body weight puts damaging stress on joints, which can eventually lead to arthritis. For older adults, who are most at risk, even small amounts of activity may help prevent the condition. In one new study, women in their 70s who were moderately active for just 75 minutes a week reported stiff, achy joints less often than those who didn’t exercise. Of course, it’s essential to get your doctor’s OK before starting any exercise program.

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