Alternative medicine
Learning Center
Small cell, large cell cancer: What this means
Cancer cells are classified by how they look under a microscope. Learn common terms used to describe cancer cells.
Is a home sperm test useful?
Using a home sperm test to check your fertility may not provide a clear answer.
Car sickness in children: Can I prevent it?
Carefully planned pre-trip meals, air ventilation and distractions might help prevent car sickness in children.
Cervical dysplasia: Is it cancer?
Learn what to expect if a Pap test shows cells that look different from typical cervical cells. Follow-up tests might include HPV testing and colposcopy.
Flu shots for kids: Does my child need a flu shot?
Know the latest recommendations for children's flu vaccines.
Air travel with infant: Is it safe?
Planning for air travel with an infant? Know how air travel can affect a newborn's ears and breathing, and what you can do to keep your baby comfortable.
How to treat a piercing site infection
Learn what you can do at home if your ear new piercing becomes infected.
COVID-19 infections by race: What's behind the health disparities?
Understand how underlying health conditions, the places where people live and work, and racism can affect who becomes seriously ill with COVID-19.
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.
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