Healthy diets
Learning Center
COVID-19: Long-term effects
Learn about the possible long-term effects of COVID-19.
COVID-19: Who's at higher risk of serious symptoms?
Advanced age and some health conditions can raise the risk of serious COVID-19 (coronavirus disease 2019) illness.
Caffeine content for coffee, tea, soda and more
Find out just how much caffeine is in coffee, tea, soda and energy drinks. You may be surprised at how much caffeine you're consuming.
Calcium and calcium supplements: Achieving the right balance
Considering calcium supplements? First figure out how much calcium you need. Then weigh the pros and cons of supplements.
Clear liquid diet
Need to be on a clear liquid diet? Learn which foods to eat and which foods to avoid.
DASH diet: Guide to recommended servings
Use this chart of DASH diet recommended servings by food group to plan healthy meals and snacks.
DASH diet: Healthy eating to lower your blood pressure
This way of eating can help control blood pressure and boost health in other ways. It's easy to get started.
DASH diet: Sample menus
Interested in following the DASH diet? Here are sample menus to get you started.
Debunking COVID-19 myths
Some information you come across about COVID-19 may be out of date or false. Learn about COVID-19 myths so you can bust them when you see them.
Diabetes treatment: Medications for type 2 diabetes
Confused by all the treatment choices for type 2 diabetes? Use this guide to better understand the medicines available to help control blood sugar.
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