THURSDAY, June 10 (HealthDay News) -- Smokers recover better from surgery to repair a broken bone if they quit smoking, according to Swedish researchers.

(HealthDay News) -- Anaphylaxis is a very serious allergic reaction to a food, medication, material (such as latex) or insect sting. It could be life-threatening, and requires immediate medical attention.

(HealthDay News) -- Antidepressant medications shouldn't be stopped without a doctor's supervision. If the drugs are stopped suddenly, withdrawal-like symptoms of a condition called antidepressant discontinuation syndrome (ADS) may emerge.

THURSDAY, June 10 (HealthDay News) -- Researchers have discovered that the mutation of a gene associated with early onset Alzheimer's may block a key recycling process necessary for brain cell survival -- a finding that points the way to possible treatment for the disease.

THURSDAY, June 10 (HealthDay News) -- The widely used cancer drug bevacizumab (Avastin) is associated with a more than fourfold increased risk of severe urinary protein loss, a new review finds.

THURSDAY, June 10 (HealthDay News) -- Families caring for extremely low birth weight babies generally face a higher chance of having to cope with developmental difficulties, but researchers who have tracked the tiniest babies have come upon some good news.

THURSDAY, June 10 (HealthDay News) -- Post-surgical staphylococcus aureus infections occur most frequently among patients who've had major chest or head operations, a new study finds.

THURSDAY, June 10 (HealthDay News) -- More and more violent crimes are occurring in America's hospitals, clinics and other health care facilities, according to a new alert issued by the Joint Commission, an independent health care oversight group.

THURSDAY, June 10 (HealthDay News) -- Women who quit smoking before they get pregnant may save their babies' lives, says a new study of more than 3 million births.

THURSDAY, June 10 (HealthDay News) -- Regular exercise reduces the risk of falls in both young and old, a new study shows.

THURSDAY, June 10 (HealthDay News) -- A simple eye test may one day help diagnose multiple sclerosis in its earliest stages and enable researchers to assess the effectiveness of treatments, according to a new study.

WEDNESDAY, June 9 (HealthDay News) -- Nutrition and sun exposure are both prime influences on an individual's vitamin D level, but a new study suggests that genetics could help determine a person's risk for vitamin D deficiency.

THURSDAY, June 10 (HealthDay News) -- Being depressed can make real physical pain feel worse, British researchers have found.

WEDNESDAY, June 9 (HealthDay News) -- Now that oil and tar balls from the massive Gulf oil spill have begun washing up on the beaches of four states, many are wondering: What, if any, are the health risks to beachgoers and residents of the region?

THURSDAY, June 10 (HealthDay News) -- A large new study suggests that surviving a hospitalization for heart attack, stroke or pneumonia may depend, at least in part, on the type of insurance you have.

THURSDAY, June 10 (HealthDay News) -- People who are taking care of a family member with lung cancer need support for the entire time that their loved one is terminally ill because they encounter tremendous stress during the dying process, a new study has found.

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

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

THURSDAY, June 10 (HealthDay News) -- What seems like a carefree night of revelry at a "rave" can quickly turn tragic when the club drug ecstasy is involved, finds a new report on one such event from the U.S. Centers for Disease Control and Prevention.

THURSDAY, June 10 (HealthDay News) -- An expert advisory panel of the U.S. Food and Drug Administration on Thursday recommended that the agency approve an oral drug, Gilenia, as a first-line treatment for multiple sclerosis (MS).