Cyclospora Outbreak Update: More Recalls Linked to Taylor Farms Fresh Produce

A stroke happens when blood flow to part of the brain is blocked or when a blood vessel in the brain bursts. Without oxygen-rich blood, brain cells begin to die within minutes.

In the lungs, inflammation can be triggered by cigarette smoke, air pollution, environmental toxins, and chronic lung disease. When this inflammation becomes long-term, immune cells release powerful signaling molecules.