(HealthDay News) -- For years, new mothers have been told to position babies on their backs during sleep, to help lessen the risk of Sudden Infant Death Syndrome (SIDS). That's extremely important advice.

(HealthDay News) -- Sunscreen helps protect your skin from sunburn and damage, but it must be applied properly.

FRIDAY, April 29 (HealthDay News) -- Multiple pregnancies may increase the risk of obesity, diabetes and the buildup of plaque in the arteries, suggests new research in mice.

FRIDAY, April 29 (HealthDay News) -- Americans can turn in unused prescription drugs at more than 4,700 sites nationwide on Saturday as part of the U.S. Drug Enforcement Administration's National Prescription Drug Take-Back Day.

FRIDAY, April 29 (HealthDay News) -- Prenatal diagnosis, early surgery and well-coordinated care by a team of specialists are vital for children born with cleft lip and/or cleft palate, experts say.

THURSDAY, April 28 (HealthDay News) -- Margie Hodgin of Turnersville, N.C., was in her early forties when she developed anorexia nervosa, and she knows how isolating the condition can be.

THURSDAY, April 28 (HealthDay News) -- Many seniors may be at increased risk for fractures because they take "excessive" doses of drugs used to treat thyroid problems, a new study says.

FRIDAY, April 29 (HealthDay News) -- Medical costs for children and teens with diabetes are six times higher than for other young people in the United States, a new study finds.

FRIDAY, April 29 (HealthDay News) -- A new study finds that Americans may not be consuming enough calcium.

FRIDAY, April 29 (HealthDay News) -- Breast cancer patients with low levels of vitamin D have more aggressive tumors and poorer outcomes, a new study finds.

FRIDAY, April 29 (HealthDay News) -- Despite concerns regarding appearance, few breast cancer survivors who opted for a double mastectomy as a precautionary measure regretted their decision decades later, a new study finds.

THURSDAY, April 28 (HealthDay News) -- Women in powerful positions are just as likely as men to cheat on their spouses, according to new research.

THURSDAY, April 28 (HealthDay News) -- A small study of women with breast cancer suggests that those who have previously undergone surgery to receive breast implants face no poorer prognosis than do those without implants, despite the fact that mammograms were less accurate at picking up abnormalities in this group of women.

FRIDAY, April 29 (HealthDay News) -- A pair of studies released Friday could shake up the debate on whether or not American women should begin regular mammography screening in their 40s.

FRIDAY, April 29 (HealthDay News) -- A new study in rats suggests that coating stents with two chemicals found in red wine may help them do a better job of propping open arteries after angioplasty.

FRIDAY, April 29 (HealthDay News) -- Vitamin D deficiency is common in American children and linked with obesity and different types of fat distribution in white and black youngsters, new research shows.

FRIDAY, April 29 (HealthDay News) -- Young teens who are allowed to drink alcohol under adult supervision don't learn about responsible drinking and actually drink more as they get older, a new study says.

Here are some of the latest health and medical news developments, compiled by the editors of HealthDay:

FRIDAY, April 29 (HealthDay News) -- Zytiga (abiraterone acetate), used in combination with the steroid prednisone, has been approved to treat advanced prostate cancer, the U.S. Food and Drug Administration said in a news release.

FRIDAY, April 29 (HealthDay News) -- Patients with early stage breast cancers are commonly treated with surgery or surgery plus radiation, and radiation is widely believed to cut local recurrence rates by about half.