New research shows that when non-smokers use nicotine-based e-cigarettes for the first time, there are measurable, negative changes in cardiac activity.

New research finds that people who take antidepressants such as serotonin reuptake inhibitors may be at a considerably higher risk of premature death.

What is hyperemia? In this article, learn about the different types of hyperemia, including passive and active hyperemia. How can it be prevented?