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COVID-19 vaccines for kids: What you need to know
Learn about the safety and effectiveness of COVID-19 vaccines for kids, the possible side effects, and the benefits of vaccination.
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.
CT coronary angiogram
Learn about the risks and results of this imaging test that looks at the arteries that supply blood to your heart.
Calorie count: Check your coffee cup
Coffee choices are nearly limitless. You can choose from plain, flavored, whipped, topped, iced and even frozen versions. Of course, how you choose to dress up your coffee makes all the difference in calories, fat and sugar. If you're watching your weight, consider sticking to basic black. A plain cup of brewed coffee contains zero fat and only a couple of calories.
Cancer blood tests: Lab tests used in cancer diagnosis
Blood tests used to help diagnose cancer include CBC and tumor marker tests. Other tests and procedures are needed to confirm a cancer diagnosis.
Cancer survival rate: What it means for your prognosis
No one can predict the future, but cancer survival rates can give you an idea of your prognosis. Should you pay attention to them?
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.
Chest X-rays
Learn what these chest images can show your doctor and what conditions they may uncover.
Cholesterol level: Can it be too low?
A high cholesterol level is unhealthy — rarely, very low cholesterol may pose risks, too.
Cholesterol ratio or non-HDL cholesterol: Which is most important?
Non-HDL cholesterol may be more important than cholesterol ratio.
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