The U.S. Department of Agriculture says a normal caloric burn is about 2,000 calories per day, but author and nutrition professor Marion Nestle reports it's more like 3,050 calories a day for the average man and 2,400 for the average woman.

Snacking can be part of a healthy diet. Choose snacks that are 100 calories or less, contain protein and fiber, and have little fat or added sugar. Pistachios fit this profile if you limit your intake to 100 calories.

Irritable Bowel Syndrome means just that; your bowels are behaving irritably and erratically. Weight gain and IBS can be tricky due to the unpredictable nature of your bowels. Some days you have diarrhea and are sprinting to the bathroom while tomorrow you may be drinking laxative shakes to relieve constipation.

Here we explain how many calories you should be eating per meal, which may help you lose weight. The number of calories per day you should eat will be based on your weight, gender and activity level.

Low-carb diets can help you lose weight, especially in the first weeks. The amount of carbohydrates you will eat depends on the plan you choose to follow, with the average for these diets ranging from 30 to 130 grams of carbohydrates per day.

Alcohol in beverages contains seven calories per gram, compared to nine calories per gram in dietary fat, and four calories per gram in protein and carbohydrates.

Not your standard cup of tea, tapioca bubble tea is a sweet concoction usually made from tea, milk, sugar and balls of tapioca called pearls. Tapioca bubble tea comes in an assortment of fruit flavors as well as chocolate, vanilla and more. These beverages are often high in added sugar and calories.

The Dietary Approaches to Stop Hypertension, or DASH, diet is based on research from the National Heart, Lung, and Blood Institute.

Learn more about the nutritional information for several popular offerings at the Costco food court, including pizza, frozen yogurt, churros and fruit smoothies.

Learn more about the calorie content in Bacardi rums - spirits distilled from fermented sugar cane.

Learn the nutritional content in horchata - a traditional Spanish beverage served in Mexico as well that pairs with spicy cuisine. It's sweet and rich enough for a dessert, as well!

French macaroons -- also called macarons -- are fluffy and delicate, with sweet creamy or fruity filling. While these sandwich cookies may be light enough to melt in your mouth, they can be heavy in calories, partially because they contain high-fat almond meal instead of wheat flour.