Nutrition basics
Learning Center
Phenylalanine in diet soda: Is it harmful?
You may be worried about phenylalanine because of a warning on diet soda. Find out why the warning is there.
Rett syndrome
This rare genetic disorder affects the way the brain develops, causing a progressive inability to use muscles for eye and body movements and language.
Slide show: 10 great health foods
Add these health foods to the menu and give your diet a healthy boost.
Slide show: Guide to a high-fiber diet
Interested in eating a high-fiber diet? See how easy it is to boost the fiber in your meals and snacks.
Sodium: How to tame your salt habit
Find out which foods have lots of this mineral and get tips on how to cut back.
Starting solids: When is the right time?
Understand when to start feeding your baby solid foods.
Taurine in energy drinks: What is it?
Energy drink ingredients can cause concern for some who consume these beverages.
Time to cut back on caffeine?
That morning cup of coffee or early afternoon soda is probably OK. But more than 400 milligrams of caffeine a day, or more than about four cups of coffee, can cause insomnia, restlessness, headaches and other problems. Start paying attention to how much caffeine you're getting from foods and beverages. Check labels. If you decide to cut back, do it gradually. For example, drink a smaller cup of coffee each day. This will help your body get used to the lower levels of caffeine and lessen potential withdrawal effects.
Underweight? See how to add pounds healthfully
If you're underweight and not happy about it, try these tips to help you achieve your goal weight.
Want a healthier dinnertime? Science says change your eating space
How and where you eat matters. From your plate size to your table, these expert-approved tips will help you navigate dinnertime like a seasoned pro.
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