Is it bad to drink tea more than once daily?

Four to six cups (Or more depending on body weight) of tea can be consumed daily without ill effects.

Several studies have been done to determine if consumption of tea offers protective effects against Heart disease. One of them studied Japanese men and women... Japanese men who drank at least 4 cups (or more) of green tea had a lower incidence of heart disease.

A more recent meta-analysis study estimates that consumption of at least 3 cups of tea a day decreased the risk of a heart attack by about 11%.

In other Words it is most likely good for you to drink tea several times a day.