helps prevent dementia
in the long run, excessive caffeine is not good - if you are vit b6 deficient the caffeine breaksdown in body to homocysteine
which increases inflammation
, so either you can increase your vit b6 intake or make up for caffeine by drinking 3 times the oz in water. Theophylline
in tea is a stimulant
people with irregular heartbeat
need to watch the amount they drink.