The work of the Department of Health and Human Services affects every American in many ways. Here's a look at the ...

American researchers have identified the acute effects of smoking cigarettes and vaping on vascular function - even without nicotine. The vascular system is made up of the vessels that carry blood ...

Wildfire smoke is a "complex mixture" of pollutants can cause anywhere from minor health effects to those that ... the smoke irritates the respiratory system, impacting the body's ability to ...