Healthy adults who don’t keep their LDL or ‘bad cholesterol’ in check are more likely to die prematurely from cardiovascular disease than peers with lower cholesterol levels a US study suggested. Researchers examined data on 36375 adults with no history of heart disease or diabetes and a low 10-year risk for events like heart attacks or strokes. Most had levels of the type of cholesterol that builds up in blood vessels and can lead to blood clots and heart attacks known as low-density lipoprotein cholesterol (LDL) below the threshold that usually leads doctors to prescribe cholesterol-lowering drugs. During the study