"Lots of things on the shelf are essentially untested and by putting these products on our bodies every day, we are unwittingly participating in a human experiment."

People who ride off-road vehicles like dirt bikes and ATVs on city streets crash just as much as motorcyclists do, researchers say.

Vaping risks, and even deaths, are in the news. Here's a tobacco dependence expert's take on the issue.

"Not all young drivers crash. So we thought, what is it about those who are crashing? It could be related to variability in working memory development."

The EPA is falling down on its job to protect vulnerable populations from hazardous chemicals, researchers argue in a new paper.

If all cars in the US had driver assist technology like blind-spot monitoring and lane-departure warning, it could prevent a whole lot of crashes.

Bulletproof backpacks, armed teachers, and other quick fixes aren't the righ response to school shootings, says education professor Matthew Meyer.

A new reflective film could pave the way for color-changing road signs. They would light up at night to better grab drivers' attention.

Walkability, not proximity, determines how much people enjoy their local park, research suggests.

Time for helmet laws? Researchers report an estimated 32,000 injuries from the use of e-scooters nationwide in 10 years.