South nation's No. 1 health problem Surgeon General tells congressional committee. Washington, D.C., Nov. 15. In this huddle discussing health problems facing the TVA are Senator Vic Donahey, democrat, Chairman of the Joint Congressional Committee Investigating the Tennessee Valley Authority, and Surgeon General Thomas Parran, right, who was the first witness as the Committee resumed public hearings today. While terming the south the national's No. 1 health problem, Dr. Parran praised the TVA for the work it has done in combating disease