unless they're watching an exercise program, your family's television viewing habits may be bad for their health-and waistlines. Health-education specialist Larry Tucker, Ph.D., of Brigham Young University, in Provo, Utah, screened more than 6,000 adult males'TV. viewing habits. His findings con firmed what has practically become conventional wisdom : Too must TV can make you fat. men who watched over three hours of television a day were more than twice as likely to be obese as were men who watched less than one hour a day.