Word: physiologists
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While applauding the growing emphasis on fat counts, physiologists caution ! that it is not the end-all and be-all. "You can have a good body-fat percentage and still be unfit," warns Dr. David Heber of the UCLA School of Medicine. Observes Exercise Physiologist Paul Davis of the Human Performance Center in Falls Church, Va.: "It's one-third of the fitness equation. The rest is muscular strength and flexibility and the aerobic capacity of the heart and lungs...
...risk of death from heart disease than those who walked less than three miles a week. Michael Pollock, director of the University of Florida's exercise-science center, recommends exercising at an intensity of 60% to 90% of maximum heart rate for up to an hour. However, notes the physiologist, who wrote the American College of Sports Medicine's Guidelines for Fitness in Healthy Adults, "if you choose more moderate training, you'll have to go longer and more frequently to get good results...
Callanetics' subtitled claim--"10 years younger in 10 hours"--strikes many specialists in the field as a bit too much of a miracle. "Fat loss is a very long-term process," says Chicago Physiologist George Lesnes. St. Louis Chiropractor R. Alexander Rojas agrees but is impressed nevertheless: "There's something for everyone in this book." Pinckney's biggest fan is her mother. Now 76, with arthritis, she does two hours of Callanetics daily and looks as trim as her 46-year-old daughter. The author does an hour a week, in her book enough for most people. "I hate exercising...
Each has come to the Bourn Hall clinic to make a final stand against a cruel and unyielding enemy: infertility. They have come from around the globe to be treated by the world-renowned team of Obstetrician Patrick Steptoe and Reproductive Physiologist Robert Edwards, the men responsible for the birth of the world's first test-tube baby, Louise Brown, in 1978. Many of the patients have spent more than a decade trying to conceive a child, undergoing tests and surgery and taking fertility drugs. Most have waited more than a year just to be admitted to the clinic. Some...
...crippling anxiety called shell shock was at first attributed to the vibrations from heavy artillery, which was believed to damage blood vessels in the brain. This theory was abandoned by the time World War II came along, and the problem was renamed battle fatigue. By then the great Harvard physiologist Walter Cannon, along with Selye, had proved that psychological strain itself could cause dramatic hormonal changes and hence physiological symptoms. Selye showed that when the fight-or-flight response becomes chronic, as it does in battle, long-term chemical changes occur, leading to high blood pressure, an increased rate...