Winter's chill triggers dangerous physiological changes, increasing stroke risk. Cold constricts blood vessels, raising blood ...

Microplastics in the bloodstream may cause blockages the brain and affect our brain functioning and behavior, according to recent research. Environmental biologists tested the effects of microplastics ...

Fainting at the sight of blood is a common physical response caused by temporary drops in blood flow to the brain, not fear. Known as vasovagal syncope, it occurs when the nervous system overreacts to ...

A study published in the journal Environment International finds traces of microplastic polymers in human blood. The sizes and shapes of polymers raise a serious concern over the possible risk of ...

A recent study published in the journal Nutrition describes the impact of caffeine intake on cerebral blood flow in young, healthy individuals. Study: Effects of caffeine on cerebral blood flow. Image ...

Alexandria Nyembwe is a registered nurse and health writer. She has worked in street medicine serving populations experiencing homelessness in Skid Row Los Angeles as well as in cardiovascular care in ...

New research from Murdoch University's School of Allied Health and Health Futures Institute has found that wearing blood flow ...