Caffeine

Caffeine can sometimes relieve headaches and migraines, but it can also trigger pain or withdrawal headaches. Learn when a cup of coffee may help and when it is better to avoid it.

Discover how caffeine affects sleep quality, why some people are more sensitive than others, and simple ways to enjoy coffee without sacrificing a good night's rest

Discover how even black coffee can affect blood sugar, cholesterol, hydration levels, and other laboratory results

Some popular breakfast choices may lead to stomach irritation, bloating, and energy crashes when eaten on an empty stomach.