
Simple carbs spike your blood sugar levels quickly, then leave them plunging soon after.

Because booze dehydrates you, it can trick you into thinking you need food when your body is really calling for water.

When dehydration sets in, wires get crossed in the hypothalamus, leading you to grab a bag of chips when you really need a bottle of water.

Too little sleep can lead to surging levels of ghrelin, a hormone that stimulates appetite.

Stress reduces levels of the brain chemical serotonin, and that can make you feel hungry when you aren't.

Just looking at food\ cranks up levels of ghrelin, the hunger hormone

Antidepressants are known to affect appetite.

