Weight fluctuation happens daily, week to week, or month to month. Learn about causes and when to see a healthcare provider about weight changes.

Calories are the energy in food and beverages, allowing you to move, breathe, and survive. The number of calories a person needs per day varies depending on several factors, such as age, height, ...

Here's how to stay in a deficit safely. If you’re trying to lose weight, it’s natural to want an efficient solution. During ...

Calorie deficit and intermittent fasting are weight loss strategies that involve consuming fewer calories in a 24-hour period, but they differ in their focus. Here's how.

Everyday Health’s weight loss calculator can help you estimate your calorie needs for weight loss. Learn more about how many ...

Restricting eating to an 8-hour window each day without reducing calories does not result in lower metabolism or significant ...

Paired with your daily calories burned, you can determine your total calorie expenditure.

The average large chain restaurant meal contained a whopping 1,128 calories. May 14, 2013— -- Fast food may have a reputation for being a diet disaster but as two studies published in today's ...