Grants-in-aid, totaling $22,990, have been awarded to Louisiana scientists by the American Heart Association.
The recipients, all from New 'Orleans, are: Dr. Gerald S. Ber-enson, associate professor of medicine, Louisiana State university medical school, $7700; Dr. H. S. Mayerson, chairman of the department of physiology, Tulane university medical school, $8250 and Dr. Sam A. Threefoot, director of research, Touro infirmary, $7040.
Dr. Cyril T. Yancey, Monroe, La., president of the Louisiana Heart Association, said that with this year's awards close to $50 million contributed to the Heart Fund during the past 12 years has been used to further gains against diseases of the heart and blood vessels.
Dr. Berenson will study chemical changes which occur in the connectiv|§ tissues of the body when they become inflamed as in rheumatic fever and other diseases.
Dr. Mayerson will study the structure and function of the lymphatic system of animals by us-|ing radioactive tracers. Dr. Three-
foot's studies will visualize and photograph the activity of arteries, veins and lymphatics and the response of these vessels to various stimuli and drugs.
