Science of Sin

Theologians say that greed is like drinking saltwater: you think you're going to be satisfied but you always thirst for more. On the flip side of greed, is envy.

Find out what can happen to all of us if we give in to the eternal sin of gluttony. And can science explain away one teen's propensity for sloth?

Wrath is any harmful action when rage goes out of control. Lust, a natural drive, is the mind fog of when sexual urges go out of control.

Pride, the belief that my will trumps all, even the will of God -- is the deadliest of the Sins. Yet, science suggests that our ability to think well of ourselves is a crucial cognitive function.