Exercise-induced breathing problems, including asthma and bronchospasms, are the topic of Saturday's Deseret Morning News/Intermountain Healthcare Hotline. From 10 a.m. to noon, Dr. Max Testa and exercise physiologist Carrie Petteys, both of The Orthopedic Specialty Hospital, will take calls about prevention and treatment of exercise-induced dyspnea, as well as how to stay active. All calls are confidential. From the Salt Lake area, call 236-6061. Elsewhere, the toll-free number is 800-925-8177, only operational during hotline hours.