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COPD
This chronic inflammatory lung disease causes obstructed airflow from the lungs, resulting in breathing difficulty, cough, mucus production and wheezing.
In vitro fertilization (IVF)
Learn what to expect from this assisted reproductive technology used to treat infertility.
Seizures
Learn about the different types of seizures and what causes them. Also find out what to do if you see someone having a seizure.
Coronavirus disease 2019 (COVID-19)
Coronavirus disease 2019 (COVID-19) is an illness caused by the virus SARS-CoV-2. Learn more about the symptoms, risks and ways to protect yourself.
Multiple sclerosis
This nervous system disorder causes a range of symptoms — and while there's no cure, it's possible to have long periods of remission.
HIV/AIDS
Learn more about this potentially life-threatening infection that spreads through blood, sex and childbirth. Know how to prevent and treat it.
Epilepsy
Learn about this condition that causes seizures. Find out which symptoms are associated with different types of seizures and how they're treated.
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