Add Yahoo as a preferred source to see more of our stories on Google. Doctors say that unintentional weight loss of more than 5% of body weight within six to 12 months is concerning. (Getty Images) ...

Share on Pinterest A new study reports young adults who smoke could face more than double the risk of having an unexplained stroke. Catherine Falls Commercial/Getty Images Researchers report that ...

Researchers report that people under 50 who smoke have a higher risk of having an unexplained stroke. People who smoke heavily — 20 packs of cigarettes a year or more — have even higher stroke risks.

Losing weight without trying can be an early sign of cancer, according to a new study. The research raises questions about significant weight loss without changes to diet, exercise or lifestyle, as ...