According to researchers at Banyu Pharmaceutical Co. a healthy human body must have between 180 and 240 milligrams of cholesterol per 100 millilitres of blood. Between 1992 and 1999, the researchers administered the drug Simvastatin, to 50,000 people aged between 35 and 70 who were diagnosed as having hypercholesterolemia, too much cholesterol. The results revealed that patients whose cholesterol levels were between 180 and 280 milligrams per 100 milliliters of blood died at the same rate as did the general population. But the death rate for those whose cholesterol levels fell outside - either above or below - the 180-280 milligram range was more than twice that of people whose cholesterol was within the range. Source: Asahi News Service.