- In full:
- Dean Michael Ornish
- Born:
- July 16, 1953, Dallas, Texas, U.S. (age 73)
- Subjects Of Study:
- heart disease
Dean Ornish
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Who is Dean Ornish?
Dean Ornish (born July 16, 1953) is an American physician and author known for his approach to treating heart disease through lifestyle changes radical diet and exercise. His methods, developed in the late 1970s, sparked debate but also gained a popular following.
Ornish's program emphasizes a diet with only 10% of calories from fat and 5 mg of cholesterol daily, along with stress management through yoga, meditation, and support groups. A study in 1990 showed that this approach could reverse coronary atherosclerosis, contrasting with standard treatments like medication and surgery. Mutual of Omaha in 1993 and Medicare in 2006 began covering Ornish’s program, marking significant acceptance of alternative treatments for heart disease. He also studied the effects of his methods on prostate cancer patients.
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What is Dean Ornish known for in the medical field?
Dean Ornish is an American physician known for his approach to treating heart disease through lifestyle changes. This approach, developed in the late 1970s, involves a radical diet modification and stress-management regime. The diet limits fats to 10 percent of total caloric intake and restricts cholesterol, mainly by eliminating animal products and processed foods. In addition to dietary changes and giving up smoking, the program incorporates yoga, meditation, and support groups, emphasizing stress management to combat social isolation and daily pressures.
The results of his Lifestyle Heart Trial, published in 1990, revealed that coronary atherosclerosis had been reversed in many patients. In August 1993, Mutual of Omaha began to reimburse policyholders for the cost of participation in Ornish’s program, and Medicare followed suit in 2006.
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What kind of diet does Dean Ornish recommend?
Dean Ornish recommends a diet that is very low in fat, with fats limited to 10 percent of total caloric intake and cholesterol limited to 5 mg a day. This is achieved mainly through the elimination of animal products and processed foods. In contrast, the American Heart Association recommends that up to 30 percent of total calories can come from fat, and 300 mg of cholesterol can be consumed daily.
In addition to dietary changes, the Ornish program includes giving up smoking and fatty foods, as well as incorporating stress-management techniques like yoga, meditation, and support group participation. Ornish believes that managing stress and combating social isolation are essential to recovery, along with diet and physical activity.
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How does Dean Ornish believe lifestyle changes can affect heart disease?
Dean Ornish believes radical lifestyle changes can treat heart disease. His approach, developed in the late 1970s, involves a diet that limits fats to 10% of total caloric intake and restricts cholesterol to 5 mg a day, largely by eliminating animal products and processed foods. Participants also quit smoking, practiced yoga and meditation, and joined a support group. Ornish emphasized that stress management was essential to recovery, combating both daily pressures and social isolation. A study in 1990 showed that coronary atherosclerosis was reversed in many patients through these methods.
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What research did Dean Ornish do on reversing heart disease?
Dean Ornish, an American physician, is known for his research on treating heart disease through lifestyle changes. In the late 1970s, he developed a unique approach that he implemented in the Lifestyle Heart Trial. This study involved a low-fat diet (10% of total caloric intake, 5 mg of cholesterol daily), stress management, yoga, meditation, and support groups.
The 1990 trial results indicated that coronary atherosclerosis was reversed in many patients. This contrasted with standard treatments like medication, bypass surgery, and angioplasty. In 1993, Mutual of Omaha began reimbursing policyholders for Ornish’s program, followed by Medicare in 2006.
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How have Dean Ornish's ideas influenced the way doctors treat patients today?
Dean Ornish, an American physician, has significantly influenced how doctors approach patient care today, especially concerning heart disease. His lifestyle program, emphasizing a very low-fat diet, stress management, and exercise, demonstrated the reversal of coronary atherosclerosis, challenging conventional treatments like medication and surgery.
This led to major insurers, including Medicare, covering Ornish's program, marking a milestone for alternative medicine. While some were skeptical of his methods and the feasibility of maintaining such strict lifestyle changes, Ornish's work has prompted a broader consideration of lifestyle interventions in treating and preventing chronic diseases.
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Dean Ornish (born July 16, 1953, Dallas, Texas, U.S.) is an American physician and author whose approach to treating heart disease through radical diet modification and exercise generated significant debate in the medical community and attracted a popular following.
Ornish was raised in Dallas by his father, a dentist, and his mother, a children’s book author and filmmaker. He attended Rice University in Houston but dropped out after experiencing severe depression and mononucleosis. Ornish eventually received a bachelor’s degree in humanities (1975) from the University of Texas at Austin, graduating first in his class. He received an M.D. (1980) in internal medicine from Baylor College of Medicine in Houston. Ornish then moved to the Boston area for a clinical fellowship at Harvard Medical School and an internship and residency in internal medicine at Massachusetts General Hospital, which he completed in 1984.
Ornish moved to San Francisco in July 1984 after accepting a teaching position at the University of California School of Medicine. That year Ornish also founded the nonprofit Preventive Medicine Research Institute (PMRI) in nearby Sausalito. He began the Lifestyle Heart Trial, a controlled study of the effects of a low-fat diet and stress-management regime on a small group of heart disease patients, implementing a unique approach to treating heart disease that he developed in the late 1970s while he was still a student. The diet limited fats to 10 percent of total caloric intake and cholesterol to only 5 mg a day, mainly through eliminating animal products and processed foods. (In contrast, the recommendations of the American Heart Association allowed up to 30 percent of total calories from fat and 300 mg of cholesterol daily.) In addition to giving up smoking and fatty foods, the test subjects did yoga, meditated, and participated in a support group. Ornish believed that the stress-management aspect of his program, designed to combat social isolation as well as daily pressures, was as essential to his patients’ recovery as diet and physical activity.
The results of the trial, published in 1990, revealed that at least some effects of coronary atherosclerosis had been reversed in many patients. That conclusion contrasted with standard medical treatment of heart disease, which typically relied upon cholesterol-lowering medications and the use of invasive and potentially risky procedures, such as coronary artery bypass surgery and angioplasty. In August 1993 the insurance company Mutual of Omaha announced that it would reimburse policyholders for the cost of participation in Ornish’s program, marking the first time a major insurer had agreed to cover an alternative treatment for heart disease. Medicare followed suit in 2006.
Ornish studied the effects of a similar regimen on prostate cancer patients and in 2008 concluded that adherence to the lifestyle changes recommended by the program slowed progression of the cancer. Some colleagues claimed that the admonitions of his program were entirely unrealistic and that patients not under supervision would in all likelihood return to their previous, unhealthy habits. Others expressed skepticism because his experimental methods did not attempt to account for the ways in which each component of his program affected the results.
Ornish was a physician consultant to U.S. Pres. Bill Clinton from 1993 to 2000 and served on the White House Commission on Complementary and Alternative Medicine Policy in 2001–02. In March 1998 he partnered with ConAgra Foods to release a line of vegetarian foods. Companies such as McDonald’s consulted him on the formulation of healthier foods, and he held lucrative positions on the advisory boards of PepsiCo and Safeway. Ornish wrote several popular books, including Stress, Diet, and Your Heart (1982), Dr. Dean Ornish’s Program for Reversing Heart Disease: The Only System Scientifically Proven to Reverse Heart Disease Without Drugs or Surgery (1990), The Spectrum: A Scientifically Proven Program to Feel Better, Live Longer, Lose Weight, and Gain Health (2007), and Undo It!: How Simple Lifestyle Changes Can Reverse Most Chronic Diseases (2019; written with his wife, Anne Ornish).