HealthCholesterol wars: Does a pill a day keep heart attacks away?Statins lower cholesterol, which lowers heart-disease risk. The official line justifies many people popping these pills – but the evidence is not so clear-cutFeatures
HealthThe Alzheimer's problem: Why we are struggling to find a cure Touted breakthroughs keep coming to nothing. Are we close to a cure, or have we got the disease all wrong? The results of three trials should tell us Insight