If you're trying to lose weight, broth-based soups like tom yum are an excellent choice. The high water content makes them low in calories, yet they fill up your stomach to help keep you satisfied.

There are a number of factors that you need to take into consideration to determine how many calories a person should eat to lose weight, so there is no one single number that will work for everyone.

The pregnant mother in her first trimester of pregnancy needs to maintain a healthy diet, thus giving her baby a good start. Gaining insufficient weight denies the baby needed calories while gaining too much puts mother and baby at risk.

The Merlot grape is soft and round, reflecting plum and cherry flavors. It is grown most commonly in the Bordeaux region of France, though an explosion in popularity has made it a favorite of vineyards in California, Australia, South America, Italy and other areas.

If you're watching your waistline, eating standard Buffalo wings may quickly sabotage your diet goals. This food is typically deep-fried, coated in a buttery sauce and then served with a side of fatty blue cheese or ranch dressing, picking up significant calories with each step.

Pinto beans are rich in fiber and protein, and at just 143 calories per half-cup serving they make a healthy main ingredient for meals. Pair pinto beans with brown rice and steamed or lightly sauteed vegetables, or fold them into soft-shell tacos with low-fat cheese, salsa and shredded cabbage.

A cup of chicken salad can be part of a healthy low-calorie diet when consumed on a bed of lettuce. Chicken contains protein your body needs on a daily basis.

A cup of tomato basil soup goes well with a grilled cheese sandwich, making a comforting meal, especially during cold winters. This side dish is rich in vitamin A and relatively low in calories. It will help you fill up without going over your daily calorie allotment.

While no doughnut is really a low-calorie option, jelly doughnuts are among the types containing the most calories.

Sesame chicken is often battered, deep-fried and coated in a sweet sauce, and then liberally sprinkled with sesame seeds just before serving. The number of calories in sesame chicken depends on whether you're eating it at a restaurant, enjoying a frozen dinner or making your own.

Just because you're eating a salad doesn't mean you aren't consuming a lot of calories. Most raw nonstarchy vegetables contain only about 25 calories per cup, but other salad ingredients can add a significant number of calories to your tossed salad if you aren't mindful about portion sizes.

The number of calories in your chicken and cheese quesadillas will depend on the size of the tortilla, the amount of chicken and cheese you use and which toppings you add. A typical serving is about 1/2 of a quesadilla made with two tortillas, or a whole quesadilla made by folding one tortilla around the filling.