Fitness basics
Learning Center
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.
COVID-19 variants: What's the concern?
The virus that causes COVID-19 has changed over time, which has affected prevention, diagnosis and treatment of COVID-19.
Uncircumcised penis: Is special care needed?
Know how to wash and care for your child's uncircumcised penis.
Car sickness in children: Can I prevent it?
Carefully planned pre-trip meals, air ventilation and distractions might help prevent car sickness in children.
Fundal height: An accurate sign of fetal growth?
Understand how fundal height is measured and what it means.
Hyperinflated lungs: What does it mean?
If you can’t breathe out well, as in COPD, air may get trapped inside your lungs. As you breathe in more air over time, your lungs get too big and stiff.
Silicone breast implants: What happens if they rupture?
Understand the problems that may happen when a silicone breast implant leaks.
Ovarian cysts and infertility: A connection?
Certain types of ovarian cysts can contribute to fertility problems.
Pink eye: How long is it contagious?
Many parents wonder how long pink eye (conjunctivitis) is contagious. Find out.
Mononucleosis: Can it recur?
Mono can return in some rare cases. Learn why that happens.
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