Too Much of a Good Thing?

M: Hi, Jenny. Are you drinking coffee again? W: Hi, Sam. This is my third cup. M: Are you sure it’s all right to drink so much? Don’t you think all that caffeine is bad for you? W: No, that’s a misconception. Everyone thinks coffee is bad for you, but it’s not. M: Really? W: According to an article I read, coffee can be beneficial to your health. M: That’s interesting. But you should remember that one study does not prove much. There are a lot of other studies out there, too. W: This doctor in Italy found a lot of benefits. M: Such as? W: She says the chemicals in coffee can be good for your heart and may relieve headaches, too. M: I know that some coffee can be good sometimes, but drinking too much is not beneficial. Coffee has a lot of caffeine, which is addictive. It affects your blood circulation and removes calcium from your bones. W: The doctor did admit that it is not for everyone, and that you shouldn’t drink more than three cups a day. M: You seem nervous when you drink a lot. And remember when you told me that you are not sleeping well? Do you think that maybe you should cut back? W: I appreciate your concern. I was thinking of cutting back. Would you like a cup of green tea?