TUESDAY, June 28 (HealthDay News) -- Whether it's the great guy who got away or the dead-end relationship that went on way too long, regrets involving romance are most commonly cited by Americans when asked about things they wish they'd done differently.

(HealthDay News) -- Irritable bowel syndrome (IBS) is characterized by symptoms of pain or discomfort in the abdomen that persist for at least three months.

(HealthDay News) -- Rickets is a condition caused by a deficiency of vitamin D, calcium or phosphorus. Symptoms may include weak or deformed bones.

WEDNESDAY, June 29 (HealthDay News) -- Giving flu shots to pregnant women also protects their newborns, researchers say.

TUESDAY, June 28 (HealthDay News) -- Obesity is a major risk factor for death among obese women who don't smoke, particularly low-income women, a new study finds.

WEDNESDAY, June 29 (HealthDay News) -- Variations of a certain gene affect the amount of time people spend looking at happy faces, a finding that may help improve understanding of social behavior and autism, according to researchers.

WEDNESDAY, June 29 (HealthDay News) -- Pain afflicts at least 116 million adults in the United States each year and costs the nation $560 billion to $635 billion annually in medical and economic costs, according to an Institute of Medicine report released Wednesday.

WEDNESDAY, June 29 (HealthDay News) -- The more memory blackouts a college student experiences when drinking, the more likely he or she is to suffer an injury while drinking at some time in the future, a new study says.

WEDNESDAY, June 29 (HealthDay News) -- Outpatient electronic prescribing systems make the same common mistakes that occur in manual systems, a new study finds.

WEDNESDAY, June 29 (HealthDay News) -- Between 1998 and 2009 there was no significant decline in cases of the often deadly ailment known as chronic obstructive pulmonary disease (COPD), and the burden of the disease has shifted from men to women, a new report finds.

WEDNESDAY, June 29 (HealthDay News) -- Temporarily withholding intravenous feedings for seriously ill patients in the intensive care unit may actually help them leave the hospital faster, new research finds.

WEDNESDAY, June 29 (HealthDay News) -- In 2009, a 60-year-old American lab researcher was mysteriously, and fatally, infected with the black plague while conducting experiments using a weakened, non-virulent strain of the microbe.

WEDNESDAY, June 29 (HealthDay News) -- As the summer gets into full swing, a new report Wednesday warns that water pollution can make a day at the beach no day at the beach.

WEDNESDAY, June 29 (HealthDay News) -- Motivational text messages more than double the odds that smokers will be able to kick the habit, new research suggests.

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

WEDNESDAY, June 29 (HealthDay News) -- The blockbuster cancer drug Avastin got soundly rejected late Wednesday as a treatment for metastatic breast cancer by a U.S. health advisory panel that found the medication was not effective and causes dangerous side effects.

WEDNESDAY, June 29 (HealthDay News) -- A drug currently used to fight rejection in organ transplant recipients may also reverse DNA cell damage in children with a rare, deadly disorder that leaves them old long before their time, a new study suggests.

WEDNESDAY, June 29 (HealthDay News) -- Routinely screening longtime smokers and former heavy smokers for lung cancer using CT scans can cut the death rate by 20 percent compared to those screened by chest X-ray, according to a major U.S. government study.

WEDNESDAY, June 29 (HealthDay News) -- A new study reveals that 90 percent of Americans who are addicted to tobacco, alcohol or other substances started smoking, drinking or using drugs before they were 18 years old.

WEDNESDAY, June 29 (HealthDay News) -- In the largest such study of any tumor type to date, scientists say they've gleaned an in-depth look at genes that may help drive aggressive ovarian cancer.