A study of more than 17,000 women links physical activity to a longer, healthier life.
Study finds less than half of prescriptions for PCSK9 inhibitors are approved by insurance companies.
A recent change in calculating non-fasting cholesterol improves accuracy.
A new class of drugs, PCSK9 inhibitors, presents a further treatment option for certain patients at high risk for heart problems.
Statins appear safe and effective in children with a rare condition causing extremely high cholesterol.