Four out of 10 high schoolers with medical conditions used one or both in past year, study found

But more study needed to determine what strategies might cut those risks

Though it can be placed in heart without surgery, unlike tradtional devices, some safety concerns remain

If passed, legislation would also reduce levels of fat and sodium, study says

Researchers eye earlier detection of decline

Study found they lowered blood pressure in patients, were linked to better heart and vessel health

Researchers find a significant need goes unfulfilled

Odds are highest in the month following the procedure, study finds

Report finds many starting at younger ages, so more likely to binge drink

Neurologist and Author Dr. Oliver Sacks Dead at 82 Texas Teen Killed by Brain-Eating Amoeba