nutrition and healthy lifestyle

You can guess how some foods will impact you—providing sustained energy or quickly leading to a letdown. But your diet doesn’t need to be a guessing game. The glycemic index puts a number on a food’s influence on your blood sugar. See how it can help you make smart choices.

Livening up your plate with colorful foods can create more than just a feast for your eyes. The rainbow of colors you see in fruits and vegetables can be just as desirable for your health. Dig into what these beautiful colors can mean for your body.

Science in Seconds Carbohydrates are a major dietary macronutrient. The three basic forms are sugars, starches, and fibers. When you consume carbohydrates, your body breaks down the sugars and starches into glucose. This is the main cellular fuel. Fibers are not digested and don’t contribute to blood glucose levels. The type and amount of carbohydrate in a serving of food determines how quickly it is converted to glucose.