Why are whole grains emphasized in a healthy diet?

Whole grains are emphasized in a healthy diet primarily because they provide more nutrients than refined grains. Unlike refined grains, which have been processed to remove the bran and germ, whole grains retain these components, leading to a higher content of essential nutrients such as fiber, vitamins (like B vitamins), minerals (such as iron and magnesium), and antioxidants.

Fiber is particularly important for digestive health and can help regulate blood sugar levels, reduce cholesterol, and promote feelings of fullness, which can aid in weight management. Whole grains also have a lower glycemic index compared to refined grains, meaning they do not cause rapid spikes in blood sugar levels.

In contrast to whole grains, refined grains often have added sugars or lack essential nutrients due to the milling process that strips away parts of the grain. This makes whole grains a more beneficial choice for overall health and wellbeing.