(HealthDay News) -- Irritable bowel syndrome (IBS) affects the large intestine, and can include symptoms such as stomach cramps, gas, diarrhea, constipation or bloating.

(HealthDay News) -- Some women have a difficult time accepting their changing, growing bodies while they are pregnant.

THURSDAY, March 1 (HealthDay News) -- Researchers are looking for 100,000 female nurses and nursing students to join the long-running Nurses' Health Study, which has yielded insight into a wide range of health issues, such as the benefits of physical activity and whole grains and the dangers of tobacco and trans fats.

THURSDAY, March 1 (HealthDay News) -- Where a bird lives appears to affect how it sings, researchers have found, with city dwellers tweeting at a higher pitch than those residing in wooded areas.

THURSDAY, March 1 (HealthDay News) -- An estimated 4 million trees are disappearing from urban areas in the United States each year, a new study found.

THURSDAY, March 1 (HealthDay News) -- White men in the United States live an average of about seven years longer than black men, while white women live more than five years longer than black women, a new study shows.

THURSDAY, March 1 (HealthDay News) -- Shark fins contain high levels of a neurotoxin called BMAA, which is linked to neurodegenerative diseases in humans such as Alzheimer's and Lou Gehrig's disease (amyotrophic lateral sclerosis), according to a new study.

THURSDAY, March 1 (HealthDay News) -- Obese chronic kidney disease patients who undergo surgery to achieve weight loss do not face a particularly dangerous rate of complications as a result, a new study suggests.

THURSDAY, March 1 (HealthDay News) -- Teens with chronic fatigue syndrome, which can cause poor concentration and memory as well as joint and muscle pain, may benefit from an Internet-based treatment known as FITNET, a new study has found.

THURSDAY, March 1 (HealthDay News) -- Scientists studying mice say they better understand how marijuana impairs working memory, the ability to momentarily retain and utilize information needed for comprehension and learning.

THURSDAY, March 1 (HealthDay News) - Here's one more reason to avoid trans fats in your diet, especially if you are an older woman: A new study found a 39 percent increased risk of stroke among postmenopausal women who ate the highest amount of this common ingredient in baked goods, fast food and packaged products.

THURSDAY, March 1 (HealthDay News) -- Children with autism often display challenging behaviors, but new research suggests that parents can learn to better handle tantrums and aggression, which may improve their child's overall functioning.

THURSDAY, March 1 (HealthDay News) -- People who take vitamin A supplements might be cutting their risk of developing the deadly skin cancer melanoma, a new study suggests.

THURSDAY, March 1 (HealthDay News) -- Following a move by a U.S. federal judge to block a government mandate calling for graphic anti-smoking images on cigarette packaging, Obama Administration officials said they are determined to fight back and keep the rule in place.

THURSDAY, March 1 (HealthDay News) -- The older you get, the better you sleep, according to new research that challenges conventional wisdom that a good night's rest is harder to come by with age.

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

THURSDAY, March 1 (HealthDay News) -- Two drugs that supplement the digestion-aiding actions of pancreatic enzymes have been approved by the U.S. Food and Drug Administration, the agency said Thursday in a news release.

THURSDAY, March 1 (HealthDay News) -- Women who have regular Pap tests to screen for cervical cancer are more likely to survive if they are ever diagnosed with the disease, a new Swedish study suggests.

THURSDAY, March 1 (HealthDay News) -- People who've had type 2 diabetes for more than 10 years are three times more likely to have a stroke than people without diabetes, new research suggests.