HIV is a retrovirus that impairs the immune system and causes AIDS. Learn about symptoms and treatment.
COVID-19 is the disease caused by the SARS-CoV-2, the 2019 novel coronavirus.
Coronavirus is a term describes a family of viruses, common in both animals and humans.
Long COVID refers to new or recurring symptoms that occur four or more weeks after an infection with SARS-CoV-2, the virus that causes COVID-19.
Anemia is a condition in which a person doesn’t have enough red blood cells to carry oxygen throughout the body. As a result, they may experience dizziness, fatigue, and light-headedness.
Fatigue is a common side effect of treatment for cancer. Learn more about symptoms and treatment.
A rare and serious condition in which a pregnant or postpartum woman suddenly has seizures. Eclampsia is a medical emergency and can lead to injury or death for the pregnant woman and/or baby.
The number one cause of death in America is heart attack, and the top symptom of a heart attack is chest pain, so people should take such pains seriously.
Women face unique risks, warning signs and symptoms of heart disease. Here's what women—and men who care about them—need to know about this condition.
Pulse oximetry is a noninvasive, pain-free way of measuring the oxygen in a person's blood.