FRIDAY, Feb. 11 (HealthDay News) -- A year before Jim Munroe was diagnosed with a rare and aggressive form of leukemia, a 19-year-old girl from Milwaukee had her cheek swabbed at a summer rock concert.

(HealthDay News) -- A food's flavor is produced by a combination of your senses of taste and smell. If you begin to lose the ability to distinguish foods that are sweet, salty, sour or bitter, a number of factors could be at fault.

(HealthDay News) -- Before you leave your home for a mammogram, the womenshealth.gov Web site suggests how you should prepare for the procedure:

FRIDAY, Feb. 11 (HealthDay News) -- In addition to the collegiality and competitive spirit that typifies team sports, one dermatologist cautions that players may be sharing something far less desirable: contagious skin infections.

FRIDAY, Feb. 11 (HealthDay News) -- Facial surgery to "deactivate" painful migraines may offer some patients long-lasting relief, a new study suggests.

FRIDAY, Feb. 11 (HealthDay News) -- Even if their lungs are mature, babies delivered at 36 to 38 weeks are at significantly increased risk for respiratory and other health problems, new research indicates.

FRIDAY, Feb. 11 (HealthDay News) -- Men looking for Valentine's Day gifts are most concerned with finding something that is least likely to be rejected, and that often means jewelry, according to a shopping behavior expert.

THURSDAY, Feb. 10 (HealthDay News) Few eligible stroke patients get an injectable clot-busting drug within the recommended 60-minute window after their hospital arrival, new research finds.

FRIDAY, Feb. 11 (HealthDay News) -- There's a small increased risk of cancer for children who had X-rays before they were 3 months old and those whose mothers had X-rays while pregnant, researchers say.

FRIDAY, Feb. 11 (HealthDay News) -- There is convincing evidence that helmets help protect downhill skiers and snowboarders from head injuries, but more needs to be done to encourage helmet use, experts say.

FRIDAY, Feb. 11 (HealthDay News) -- Giving medication to lower blood pressure in hypertensive stroke patients appears to have no benefit and might even be harmful, says a new study that seems to confirm current treatment guidelines.

FRIDAY, Feb. 11 (HealthDay News) -- The more people are satisfied with their country, the better they feel about their lives, a new study shows.

FRIDAY, Feb. 11 (HealthDay News) -- When someone is trying to fake remorse, they display a greater range of emotional expressions, switching from one emotion to another very quickly, and speak with more hesitation, researchers have found.

FRIDAY, Feb. 11 (HealthDay News) -- When overweight, sedentary kids start to exercise regularly, their ability to think, to plan and even to do math improves, a new study suggests.

FRIDAY, Feb. 11 (HealthDay News) -- Current U.S. guidelines may overestimate the amount of weight that severely obese women need to gain during pregnancy, according to a new study.

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

FRIDAY, Feb. 11 (HealthDay News) -- Stroke patients who do intense physical therapy at home achieve the same amount of improvement in their walking ability as those enrolled in a high-tech training program that uses a body-weight supported treadmill device, the results of a new study show.

(HealthDay News) -- Here are the latest clinical trials, courtesy of ClinicalConnection.com:

FRIDAY, Feb. 11 (HealthDay News) -- The first three-dimensional mammography system has been approved by the U.S. Food and Drug Administration.

FRIDAY, Feb. 11 (HealthDay News) -- A new test to monitor blood levels of a drug used to prevent rejection in kidney transplant patients has been approved by the U.S. Food and Drug Administration.

FRIDAY, Feb. 11 (HealthDay News) -- The U.S. Food and Drug Administration approved on Friday the first X-ray mammography device that provides three-dimensional images of the breast for cancer screening and diagnosis.