That will help you learn what these serving sizes look like. Watch the Portion Size. At home: Use smaller dishes at meals. Serve food in the right portion amounts, and don't go back for seconds.

Exercise and eating the right foods are key players, but portion control is equally as important. Portion sizes are helpful for setting limits and boundaries so you don't overindulge.

Increased portion sizes are thought to contribute to overeating and unwanted weight gain. Here are 9 tips to measure and control portion sizes — both at home and on the go.