Sacrificial anodes protect metal structures from corrosion by corroding first. Learn how they work and where you'll find them in boats, pipes, and water heaters.
Most supplements offer little benefit for healthy people, but some—like vitamin D and omega-3s—have real evidence behind them. Here's what the research shows.
Dark chocolate may not cause migraines after all. Learn how magnesium, flavanols, and serotonin could actually make it a helpful choice for some people.
Caffeine does act as an antioxidant, neutralizing free radicals in the brain, liver, and skin—though it's just one piece of coffee's bigger antioxidant picture.
White matter disease progresses through four MRI-defined stages, from no lesions to large fused areas. Learn what each stage means for your brain health.