The latest news on death
Review tied etomidate to higher risk of death and heart problems compared to propofol
Three studies find the supplements don't help extend life or ward off heart disease and memory loss
Many factors converge over time before someone commits such a crime, experts say
However, review didn't include women in their 40s, so debate may not end
Lack of awareness was most common reason cited for not having a living will
Obama calls on world to continue Mandela's legacy.
But getting more exercise appeared to offer a level of protection, 11-year study found
It can help predict your risk of certain diseases and personalize treatment recommendations.
Health-care providers should do more to help survivors quit, study says
Obama praised Mandela's spirit and legacy in South Africa and beyond.