> Drinking a cup of coffee is "still strong enough to affect brain function", and yet we do it every day. In fact several times... Yes, the crucial difference

> Drinking a cup of coffee is "still strong enough to affect brain function", and yet we do it every day. In fact several times... Yes, the crucial difference being that you are not exactly breaking scientific ground by sipping a cup of coffee. The effects coffee has on our brain and body, both short and long term, are well researched and sufficiently tested.