Even if you eat a balanced, whole-foods diet, you may still be missing vital nutrients. And even low-level vitamin deficiencies can sap energy, diminish immune function, and lead to mood swings and brain fog. Here's a look at some of the most common deficiencies-and what you can do about them.
Gluten-free foods are essential for anyone with celiac disease, but many people without the disease prefer to avoid or reduce gluten in their diets. With virtually any type of food available in a gluten-free version, gluten isn't difficult to avoid, but diets can get overly restrictive because of confusion about where gluten does-or doesn't-reside. Take our quiz to check your gluten IQ.