Caffeine Lover News Today : Breaking News, Live Updates & Top Stories | Vimarsana

With summer slowly descending on us, it is the time to beat the heat. Try these special and fun coffee recipes!

Add caffeine, blood vessels constrict, less blood circulates in the brain and your blood pressure and heart rate go up. if you skip your regular coffee, that surging blood can trigger a caffeine headache. >> it's like trying to get a fire hose to pump blood up through your skull. >> if you are a caffeine lover, your brain has actually changed. it now functions normally on caffeine. >> how much caffeine do i have to drink to change the physiology of my brain? >> not very much. >> like even a cup a day? >> one cup a day will change your brain. >> reporter: the good news, for healthy adults, a fe...