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) -- Bed wetting is common in young children who are learning to control the need to urinate during sleep.

(HealthDay News) -- Whether you need a better picture of an aching arm after a fall or an inside glimpse of your pearly whites, some X-rays are a medical necessity.

TUESDAY, June 28 (HealthDay News) -- Many members of low-income families are not getting proper nutrition in their diet, a new study shows.

TUESDAY, June 28 (HealthDay News) -- Cancer patients taking the drugs sunitinib and sorafenib respond to the flu vaccine, which suggests that the drugs don't cause as much damage to the immune system as previously believed, researchers say.

TUESDAY, June 28 (HealthDay News) -- The time it takes to transfer heart attack patients to hospitals that provide emergency coronary angioplasty was greatly reduced when a statewide transfer program was launched in North Carolina, a new study finds.

TUESDAY, June 28 (HealthDay News) -- Analyzing the genomes of Tasmanian devils could help prevent the species' extinction from a contagious cancer, according to scientists.

TUESDAY, June 28 (HealthDay News) -- The controversial cancer drug Avastin becomes the focus of U.S. regulators' attention again Tuesday during a two-day hearing to determine if the medication can keep its FDA approval for the treatment of metastatic breast cancer.

TUESDAY, June 28 (HealthDay News) -- A flexible work schedule helps employers retain mothers who have just returned to their jobs after giving birth, according to a new study.

MONDAY, June 27 (HealthDay News) -- Certain women at risk for developing melanoma, the most severe form of skin cancer, may cut the likelihood in half by taking vitamin D/calcium supplements, a new study suggests.

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.

TUESDAY, June 28 (HealthDay News) -- Mammography screening reduces breast cancer deaths even more than most experts have long believed, according to a new, large-scale Swedish trial.

TUESDAY, June 28 (HealthDay News) -- A vaccine developed to prevent the progression of type 1 diabetes shows some promise, while another designed to alter insulin production fails, according to the results of two new studies.

MONDAY, June 27 (HealthDay News) -- New mandatory safety standards for cribs in the United States that take effect Tuesday "are an important step in ensuring a safe environment for infants as they sleep," according to a statement from the National Institute of Child Health and Human Development.

TUESDAY, June 28 (HealthDay News) -- A new study hints at one reason that black Americans are at a higher risk of death from heart disease than whites: Blacks appear to have higher levels of a certain type of plaque that builds up in arteries and is not detected in standard screening.

TUESDAY, June 28 (HealthDay News) -- Preventing type 2 diabetes not only improves an individual's quality of life, it also saves quite a bit of money.

TUESDAY, June 28 (HealthDay News) -- Some HIV patients experience memory loss and other neurological deficits, despite treatment, and new research suggests that the reason why is because the virus weakens the blood-brain barrier by infecting a small group of supporting brain cells called astrocytes.

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