(HealthDay News) -- Corns are calluses on the toes that develop when the toes rub against the inside of shoes.

(HealthDay News) -- Daily flossing can minimize plaque and help keep teeth and gums healthy.

WEDNESDAY, June 1 (HealthDay News) -- Screening college athletes for heart conditions before they participate in sports could help prevent incidents of sudden cardiac death, according to a new study.

WEDNESDAY, June 1 (HealthDay News) -- In a tough economy, many people find themselves taking a job that requires a long commute, but new research suggests that there may be a high personal price to pay for that decision.

WEDNESDAY, June 1 (HealthDay News) -- Body dysmorphic disorder, an illness that causes people to see themselves as disfigured or ugly, is linked to an abnormality in how visual information is processed, and the image distortion extends to the world around them, according to a new study.

WEDNESDAY, June 1 (HealthDay News) -- Age alone should not be the sole determining factor when deciding whether an older person should have plastic surgery, a new study suggests.

WEDNESDAY, June 1 (HealthDay News) -- Regular outpatient care has not kept children and teenagers with mental health issues and behavioral problems from making repeat visits to the emergency room (ER), according to a new study.

WEDNESDAY, June 1 (HealthDay News) -- Beta blockers -- safe, inexpensive drugs that have been used for decades by millions of people -- may eventually have a role in fighting breast cancer, according to two new studies.

TUESDAY, May 31 (HealthDay News) -- Patients with an inflammatory lung condition known as community-acquired pneumonia appear to recover faster when treated with corticosteroids in addition to the standard regimen of antibiotics, Dutch researchers say.

WEDNESDAY, June 1 (HealthDay News) -- Although the tonsils and appendix are not considered vital to the body, Swedish researchers have found that people who had them taken out before the age of 20 may be at a slightly greater risk of an early heart attack.

WEDNESDAY, June, 1 (HealthDay News) -- Can using a cellphone increase the risk of cancer?

WEDNESDAY, June 1 (HealthDay News) -- Compared with cellphones belonging to hospital staff, cellphones brought into the facilities by patients and the people who visit them are twice as likely to carry dangerous pathogens, a new Turkish study has found.

WEDNESDAY, June 1 (HealthDay News) -- Boys and girls diagnosed with attention-deficit/hyperactivity disorder (ADHD) face a significantly higher risk of developing a substance abuse problem -- including cigarettes, alcohol and drugs, new research reveals.

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

WEDNESDAY, June 1 (HealthDay News) -- The concept of the "man cave" has been entrenched in the human lineage for far longer than thought, according to new research that analyzed teeth from early humans to determine their geographic movement.

WEDNESDAY, June 1 (HealthDay News) -- For patients with advanced melanoma, the most dangerous type of skin cancer, a vaccine combined with an immune-boosting drug is showing promise in a large clinical trial.

WEDNESDAY, June 1 (HealthDay News) -- Undergoing an operation can be scary, but University of Michigan researchers offer some reassuring news: Deaths among those having high-risk surgery have fallen substantially in recent years.

WEDNESDAY, June 1 (HealthDay News) -- People who become very afraid of dying in the moments during and days after a heart attack also seem to have more inflammation, an indicator that they may, in the long run, do worse than patients who are less fearful, a small British study suggests.

WEDNESDAY, June 1 (HealthDay News) -- Using a sophisticated new imaging technique, researchers were able to find previously undetected changes in the brains of Iraq and Afghanistan war veterans who had been diagnosed with mild brain injuries sustained from blast explosions.