The negative effects of caffeine are primarily associated with mental health, as an excessive intake will increase anxiety. Some individuals with a predisposition to anxiety will suffer chronic symptoms with a regular diet of caffeine.

The book "Caffeine Blues: Wake Up to the Hidden Dangers of America's #1 Drug" describes well the physiological and psychological effects.

For example, caffeine acts as an adenosine receptor in the brain. This in effect changes the brain chemistry and its functioning.

The drug also causes artery restriction resulting in poor blood circulation.

The net effect of caffeine is a false sense of energy when in fact it has robbed the body of it.

The book cites specific damages to women's health also. There are many reasons to stay off this drug since its positive effects are few and questionable.

I was addicted to caffeine and I now feel better when I wake up in the morning as I sleep more sound.

I don't crave a cup of java in the morning either and I am not as on edge, at least no more than usual.

I would urge college students to drink tea if they feel bothered by regular coffee. Of course, there is always decaf. However, decaf varies in its percentage of caffeine depending on who made it.