The Effects of Various Vegetable Oils on the Serum Lipids of Adult American Males

Two studies of the effect on serum lipids of the inclusion of vegetable oil preparations in the diets of adult males living at home and choosing their own diets are reported. In the first study, conducted in 1955, 20 subjects were given approximately 1,000 calories of emulsified peanut oil as a supplement to a self-selected diet designed to maintain weight for a period of four weeks. About half the subjects gained two or more pounds. There was a significant decrease ( p