Nutrition basics
Learning Center
Taurine in energy drinks: What is it?
Energy drink ingredients can cause concern for some who consume these beverages.
Test anxiety: Can it be treated?
Feelings of worry and self-doubt can interfere with how well you do on tests. Here's what you can do to lower your anxiety.
Uncircumcised penis: Is special care needed?
Know how to wash and care for your child's uncircumcised penis.
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.
Unusual COVID-19 symptoms: What are they?
COVID-19 can cause a wide variety of symptoms, some more common than others. Learn about how COVID-19 can make you feel.
Warm-mist versus cool-mist humidifier: Which is better for a cold?
Warm-mist and cool-mist humidifiers are equally effective in humidifying the air.
What is a heart failure action plan?
Know when new heart failure symptoms require a call to a health care provider or an ER visit. A heart failure action plan can guide your self-care.
Wheezing in children: Could it be asthma?
Wheezing in children may be a sign of asthma — but not always.
Yerba mate: Is it safe to drink?
This herbal tea may help you feel more alert and focused, but find out what the possible health risks are.
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