Diet pills, supplements and surgery
Learning Center
Cholesterol ratio or non-HDL cholesterol: Which is most important?
Non-HDL cholesterol may be more important than cholesterol ratio.
Cholesterol level: Can it be too low?
A high cholesterol level is unhealthy — rarely, very low cholesterol may pose risks, too.
Child growth: Can you predict adult height?
Concerned about your child's growth? Find out how you can estimate your child's adult height.
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.
Car sickness in children: Can I prevent it?
Carefully planned pre-trip meals, air ventilation and distractions might help prevent car sickness in children.
Can vitamin D protect against coronavirus disease 2019 (COVID-19)?
Find out what the research says about vitamin D and coronavirus disease 2019 (COVID-19).
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.
COVID-19 infections by race: What's behind the health disparities?
Understand how underlying health problems, the places where people live and work, and racism can affect who becomes severely ill with COVID-19.
Blood glucose monitors: What factors affect accuracy?
Consider these factors when measuring blood sugar levels with blood glucose monitors.
Bitter orange weight-loss supplements: Do they work?
Bitter orange is in some weight-loss supplements. It acts like a stimulant, which sounds promising but has risks.
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