A new birth control pill for men appears to be safe when used daily for a month, with hormone responses consistent with effective contraception, study researchers say.

Consumption of low-calorie sweeteners could promote metabolic syndrome and pre-dispose people to pre-diabetes and diabetes, particularly in individuals with obesity, a new study on human fat-derived stem cells and fat samples suggest.

  A man’s semen count is a marker of his general health, according to the largest study to date evaluating semen quality, reproductive function and metabolic risk in men referred for a fertility evaluation.

People often use the expression, “Where there is smoke, there is fire.” Unfortunately for lung cancer patients, the opposite is almost always assumed to be true. Where there is fire (in this case, lung cancer), it is assumed that smoking must have preceded it. This assumption often leads to the question, “Did you smoke?” following almost every personal revelation of lung cancer. Few questions engender such anger and annoyance in patients as that one, particularly in the 10%-20% of lung cancer patients who are “never smokers.”

Despite claims that helmets do not protect the cervical spine during a motorcycle crash and may even increase the risk of injury, researchers from the University of Wisconsin Hospitals and Clinics in Madison found that, during an accident, helmet use lowers the likelihood of cervical spine injury (CSI), particularly fractures of the cervical vertebrae.

People with stage III colon cancer who regularly eat nuts are at significantly lower risk of cancer recurrence and mortality than those who don’t, according to a new, large study led by researchers at Yale Cancer Center.