Yes ,you can to drink coffee , but very care.

My hubby enjoys coffee as he drinks his till 6 cups/day, does coffee dangerous for him?
Caffeine is stimulant for cns, where in seeds of caffeine are less,than in tea leaves, but strong effect goes as of cooking and big quantity, but this caffeine of tea is tannin, as effect is softer,than caffeine in coffee,her is an own positive, as tea does not addiction cause, than with coffee. Caffeine lows blood coagulation, activating tissue acidity, raising psychical activity, attention, concentration, mood, delay tiredness.