Patti Neighmond

"Yo-yo dieting" — where people lose weight and gain it back again — doubles the risk of a heart attack, stroke or death in people who already have significant heart disease.

That's the conclusion of an international study published recently in the New England Journal of Medicine.

Four out of five older Americans with hearing loss just ignore it, in part because a hearing aid is an unwelcome sign of aging. But what if hearing aids looked like stylish fashion accessories and could be bought at your local pharmacy like reading glasses?

That's the vision of Kristen "KR" Liu, who's the director of accessibility and advocacy for Doppler Labs, a company marketing one of these devices. She thinks a hearing aid could be "something that's hip and cool and people have multiple pairs and it's fashionable."

One of the most common reasons people go to the doctor is lower back pain, and one of the most common reasons doctors prescribe powerful, addictive narcotics is lower back pain.

Now, research published Tuesday in the Journal of the American Medical Association offers the latest evidence that spinal manipulation can offer a modestly effective alternative.

New research published Monday adds fuel to an ongoing debate in the public health community over whether a few extra pounds are good, or bad, for you.

Earlier research found that being somewhat overweight, but not obese, may result in a longer life.

When Kathleen Muldoon had her second child everything was going smoothly. The delivery was short, the baby's APGAR score was good and he was a healthy weight.

"Everyone said he was amazing," says Muldoon.

An influential advisory panel says there's not enough evidence to determine whether annual pelvic exams should be routine for women who aren't pregnant and have no symptoms of disease.

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RACHEL MARTIN, HOST:

You may have noticed curvier bodies are slowly making their way onto billboards and fashion magazines.

DAVID GREENE, HOST:

Many men over 65 with low testosterone levels say their sense of well-being, not to mention sexual function, isn't what it used to be.

That's why some doctors prescribe testosterone replacement. But the effectiveness of testosterone has been controversial. Studies of the risks and benefits have been mixed, and the Food and Drug Administration beefed up its warnings about cardiac side effects of testosterone supplementation in 2015.

Most of us suffer back pain at some point in our lives. In fact, it's one of the most common reasons people go to the doctor. Many of us also probably reach for medication. Now, new guidelines from the American College of Physicians say try exercise, yoga, or massage first.

That's a pretty big change for both doctors and patients, but a welcome one, some doctors say.

It's no surprise that most women with breast cancer consider hair loss one of the most traumatic aspects of chemotherapy. That has led to a big market for cooling caps, which are purported to limit hair loss.

But cooling caps haven't been extensively studied in the U.S., and womens' experiences with the caps have been hit or miss. And just one cooling cap, the DigniCap, is approved by the Food and Drug Administration.

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