At 15 months old your toddler is learning to explore everything around him, including food. Your child who ate anything as a baby may now refuse to eat anything you offer.

Eating just one green olive will hardly bust your diet, as each piece of the brined fruit contains only 4 calories, according to the USDA National Nutrient Database. This is just an average, however, and large olives will have more calories.

Cashews and other nuts used to be the bane of a "healthy" diet because of their high fat content. Now "Dietary Guidelines for Americans, 2010" recommends including them as part of your daily menu.

Swimming competitively is a highly demanding activity. Olympic record-holding legend Michael Phelps ate 12,000 calories per day when training for competition. How much an individual swimmer needs will vary according to personal metabolism and training regimen.

To maintain your weight, you'll need to consume the same amount of calories as you burn, on average. If you are a woman weighing 120 lbs., the amount of calories you burn will depend on your activity level.

Regular Pinnacle vodka has about the same number of calories as any other 80-proof vodka brand. But Pinnacle is known for its cornucopia of sweet and fruity products, and these flavored vodkas tend to have more calories than the plain variety.

Celery has attained near-cult status as the dieter’s not-so-secret weapon. It is highly portable and doesn’t require refrigeration when you are on the move, so it is a go-to snack when you are on the go. Some claim it burns more calories than it contains.

The family-favorite spaghetti and meatballs can contain a reasonable amount of calories for a meal if you watch your portion size. Fill your whole plate with this dish, however, and you may wind up getting more than half of your recommended calories for the day.

As a nutrient-dense food, the avocado is a significant source of various vitamins and minerals. Avocados provide your body with almost 20 vitamins, minerals and phytonutrients. This green fruit can be eaten with sweet potato, spinach, carrots and mango to help boost vitamin A absorption.

The Andes Candy Company is best known for its bite-sized after-dinner mints. Each foil-wrapped creme de menthe candy consists of a green mint filling sandwiched by two thin layers of chocolate. Andes thin candies also include mint parfait, cherry jubilee and toffee crunch.

Brazil nuts come from the Amazon jungle, mainly Brazil, Peru and Bolivia. They are considered seeds inside coconutlike pods. Brazil nuts are mostly known for their selenium content, but they are also high in fiber, protein and magnesium. The nuts are a major source of income for local Amazonian people.

Squid, also called calamari, is one of the types of seafood with the lowest levels of mercury contamination, making it a potentially healthy choice. It's also an environmentally friendly seafood option.