At work my co-workers often bring doughnuts or something equally sugary for our morning break. Eating a doughnut seems almost required, and if you cut one in half there are complaints from others at the table. Diabetes runs in my family and my dad is a diabetic. If I eat sugary foods like this, a lot of the time I will start to feel dizzy and kind of like I might pass out. When I eat regular food again, this feeling goes away. Also, we start working at 6 a.m. and there isn't time to eat breakfast at home. I am finding that having to work without eating is making me irritable. I was wondering if anyone knows if these are signs that I might be a diabetic too and should be tested, or if these are symptoms of something else.