Can a person be addicted to sugar? when i try to cut out sweets, i feel crummy and crave them even more. how can i cut down w/out feeling like that?

Rebound: Cut down gradually so your body will adapt. A similar situation can occur when people stop smoking: initially they often feel crummy. In general, it such situations the body likes gradual changes. Take one step at a time and you will get there.

Yes.: It may be a sign of diabetes. Please check with your physician.

Yes: Yes, you can be addicted to sugar. There are chemical neurotransmitters and hormones that make people crave carbohydrates in particular which simples sugars and starches are digested to quite easily. This is particularly common in people that sleep less than 6 hours nightly and under stress/anxiety. Small meals heavy in protein and avoidance os simple carbs using more complex carbs can help.