Researchers published a paper highlighting factors that may explain why some people perceived more side effects than others including stress, exercise, and use of hormonal birth control. When you got ...

*(CNN) — Using marijuana every day can raise a person’s risk of coronary artery disease, or CAD, by a third compared with those who never partake, a new study found. “A growing body of evidence ...

When humans are trying to grasp a complicated concept or solve a problem, they might suddenly feel like they have gained a deeper understanding or think of something they had not thought of before.

In a new study, researchers have used the fossil record to better understand what factors make animals more vulnerable to extinction from climate change. The results could help to identify species ...