Being overweight or underweight can have negative impacts on your health. Maintaining a healthy weight is part of maintaining a good nutritional status, which can lower your risk for chronic diseases.

Calories -- formally known as kilocalories -- measure the amount of energy supplied by food and beverages. The number of calories your body requires to function and maintain itself depends on a variety of factors, including your body size, your metabolism, your activity level and your gender.

Moscato wines can be as diverse as the muscat grapes they’re made from. Whether they’re produced in Italy, France, Spain, Australia or California, these light-bodied wines are almost always sweet, fragrant, bubbly and low in alcohol.

Wine gums -- a popular British confection invented in the early 20th century -- come in a variety of shapes, colors and fruit-inspired flavors. Although the chewy, gelatin-based candies are marked with words like “Burgundy,” “Champagne,” “claret,” “port” and “sherry,” they don’t actually contain wine.

Tiny and plain, flaxseed is packed with essential nutrients and beneficial phytochemicals. With its high levels of alpha-linolenic and omega-3 fatty acids, lignans and dietary fiber, this earthy little seed promotes normal cholesterol levels, protects cardiovascular health and helps prevent constipation.

While a single slice of pizza won't necessarily cause you to go over your daily calorie allotment, multiple slices might, especially if you choose a pizza with a thick crust and lots of meat and cheese. The healthiest option is a thin-crust vegetable pizza with only half the cheese of a regular pizza.

In the pediatric population, there may be times when fluid intake and output (I & O) should be tracked. I & O are required when a child is hospitalized; however, there are times when calculating intake and output at home may be necessary.

The calorie count for an egg depends primarily on its size, which may vary considerably. A fried egg will have significantly more calories from fat than a raw egg due to the cooking oil. Fried eggs also have a large amount of cholesterol, although this is concentrated in the yolk.

When planning a party, you certainly don't want to run out of food for your guests to eat, and leftovers may go to waste. Calculating exactly how much food you need per person can help you get a handle on the amount of food you ought to prepare, and how much you need for drinks and liquor.

Air popped popcorn is a crunchy, low-calorie snack. It's a whole-grain food that supplies you with a small amount of dietary fiber, vitamins and minerals. Choose popcorn in place of chips, pretzels or crackers to limit your calorie and fat intake.

While fruits and vegetables generally tend to be among the lower-calorie foods, some are surprisingly high in calories. Eating these foods can be a good thing if you are looking for a healthy way to gain weight.

Foods vary in the number of calories they contain, just as the number of calories an individual needs just to carry out daily functions can also vary. According to the National Heart, Lung and Blood Institute, women should not fall below 1,000 calories per day, and men should not fall below 1,200 per day while dieting.