Word: lipids
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Dates: during 1970-1979
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...fact that the "diet-heart hypothesis," as the cholesterol link with coronary disease is known, remains a theory and the subject of heated debate. True, studies have established that high cholesterol levels in the blood are associated with increased heart disease. But, admits Dr. Basil Rifkind, chief of the lipid metabolism branch of the National Heart, Lung and Blood Institute, "what's missing is the proof that you can prevent heart disease by reducing cholesterol...
...research team discovered that the fetal lung generally matures around the 35th week of pregnancy. This development is signaled by a change in the amniotic fluid surrounding the fetus. At that point, the level of a phospholipid known as lecithin usually rises sharply and surpasses the level of another lipid, sphingomyelin. To determine if this has occurred normally, the Gluck test uses transabdominal amniocentesis, a technique that involves inserting a sterile needle through the abdomen into the womb, drawing off a sample of amniotic fluid and measuring the lipid levels...