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.

Walking can be a great way to burn calories daily, but not everyone will burn the same amount. The total calories burned while walking depends on several factors, including pace, the length of time ...

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 ...

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.