Think you know what a healthy meal looks like? In 2026, the conversation around nutrition has shifted dramatically. What used to be about simply watching your daily calorie intake has evolved into ...

What Is a Calorie Deficit? Calories are a measure of the amount of energy in food. All of the cells in your body require energy in order to work properly, just like a car needs fuel. They get that ...

The metabolic confusion diet alternates high-calorie and low-calorie days or weeks, often around 2,000 or more calories versus about 1,200 calories. Weight loss usually comes from staying in a calorie ...

If you've been following a low-calorie diet and splurged one day, you may be surprised to find that you didn't gain any weight. Some dieters do this on purpose. This is often called calorie cycling or ...

If your New Year's resolution is to get fit, you have a good tool strapped to your wrist. Here's how to put Apple Health's calorie burn metrics to good use. When commencing a fitness program that ...