off topic but it is important

While both are equally good for the body, some research suggests that tea may be somewhat more beneficial. Green tea, with all its polyphenols is especially beneficial for preventing cardiovascular diseases.

For a long time, the beneficial effects of coffee were not well known or understood. Coffee contains antioxidants as well. It has now been shown that coffee could help stave off age-related cognitive degeneration.

In general, the tea or coffee themselves do much more good than harm. However, the same cannot be said for the sugar that goes in to the beverages. Cups of green tea without milk and sugar and black coffee without sugar are the best.