Samsung Food app gets an update that makes calorie tracking free for everyone. Users can set their daily targets, including ...

Obesity rates have risen in recent decades. In 2012, over 66% of the U.S. population had either overweight or obesity (1). If you eat more calories than you need for energy, weight gain can result.

Calorie density is a measure of the calorie content of food relative to its weight or volume. It is also called energy density and is usually measured as calories per 3.5 ounces (100 grams) of food.

Exercise has many healthy benefits, but it only plays a small role in weight loss. Working out makes up about 5% of the energy we burn in a day, according to research. Keeping our bodies running uses ...