STORY AT-A-GLANCE N-acetylcysteine (NAC) may prevent strokes in people with hereditary cystatin C amyloid angiopathy (HCCAA), a rare genetic disorder People with HCCAA have an average life expectancy of just 30 years, and most die within five years of their first stroke NAC appears to work by preventing the formation of amyloid-producing proteins, which promote amyloid deposits linked to strokes The finding is even more … Continue reading Study Shows How the Nutritional Supplement, NAC, Can Help Prevent Strokes