Fitness basics
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Toddler speech development: What's typical for a 2-year-old?
A Mayo Clinic specialist describes typical speech development between the ages of 2 and 3.
Infant constipation: How is it treated?
Worried about infant constipation? A Mayo Clinic specialist explains how to treat it.
Strep throat in young children: A common diagnosis?
Strep throat in young children is uncommon, but it's possible. Learn about symptoms.
Exercise and illness: Work out with a cold?
Play it smart. Ease up on exercise if you have a cold.
Heart rate: What's normal?
A normal resting heart rate for adults ranges from 60 to 100 beats per minute. A heart rate above or below that may signal a problem.
Discolored baby teeth: A cause for concern?
Baby teeth can become discolored for many reasons, including not brushing well enough, taking medicines, or having an injury or illness.
How to treat a piercing site infection
Learn what you can do at home if your ear new piercing becomes infected.
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.
Can vitamin D protect against coronavirus disease 2019 (COVID-19)?
Find out what the research says about links between this key vitamin and the widespread viral infection.
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.
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