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8-day Yoga Intervention

Positive lifestyle modifications can improve important biochemical indices associated with heart disease, stroke, hypertension and diabetes mellitus.

Many people strive to attain a lifestyle that includes a balanced diet, daily physical activity, mental tranquillity, manageable stress levels and regular sleep patterns. Too often, life stressors, such as keeping up with information technology and/or the complexities of dealing with personal, local, national and world events, interfere with our achieving a healthy existence. Cardiovascular disease, diabetes mellitus and other disease-causing disorders may result. A seldom-researched question is whether any type of short-term intervention can meaningfully reduce these negative health consequences. Bijlani and colleagues (2005) present some intriguing and noteworthy data from an 8-day integrated yoga and lifestyle health-risk-reduction program designed to answer this investigative question.



This study included 98 participants (males = 67; females = 31), ages 20–74. Each participant attended this intervention program between May 2001 and November 2002. The subjects were a diversified group of people with health disorders commonly seen in societies throughout the world (see Table 1).

The 8-Day Program

The theory and applied program lasted 3–4 hours a day throughout the 8-day intervention, which did not include 2 weekend days. Participants were placed into small groups of six to eight. The program consisted of asanas (physical postures) and pranayama (breathing exercises) for 1 hour, followed by breakfast (although meals were not provided as part of the program) and then an educational video or a lecture. Each day ended with savasana (a relaxation technique, pronounced shah-VAHS-anna) or meditation. (See Table 2 for complete 8-day intervention program.)

Subjects were taught essential and fundamental facts about nutrition. Program providers encouraged participants to eat a low-fat, vegetarian-style diet, with moderate amounts of dairy products. However, it was entirely up to the subjects to implement any dietary information or recommendations into their lives.

An introduction to the principles of yoga was provided, as were various techniques. One whole session was dedicated to meditation principles and practices; two other sessions focused on stress management. Group discussion and questions and answers were encouraged. Self-healing was taught through imagery and/or autosuggestion.

Pamphlets from the lectures were distributed to participants to highlight important lessons and discussions. Each study participant also received one personalized meeting with a medical doctor during the 8-day intervention. The physician discussed and recommended lifestyle changes pertaining to diet, physical activity, smoking, drinking and relaxation, and offered advice on specific problems and questions brought forward by the subject.

Study Design

Fasting blood samples were taken on day 1 for baseline values and on day 10 (inclusive of the 2 nonpractice weekend days) to compare the effects of the program on glucose, cholesterol and triglyceride levels. However, analyses could be conducted on only 77 participants, either because blood samples were insufficient or because patients drank tea before their blood draw.


Fasting glucose, total cholesterol, LDL cholesterol (“lousy” type), VLDL (very low density lipoprotein) cholesterol, total cholesterol/HDL ratio and triglycerides were significantly lower on day 10 compared to day 1, while HDL cholesterol (“healthy” type) was significantly higher.

The researchers further divided the subjects into two subgroups: a high-cholesterol subgroup (43 subjects; total cholesterol ≥ 200 milligrams per deciliter [mg/dl]) and a normal-cholesterol subgroup (55 subjects; total cholesterol < 200 mg/dl). Analysis of the data, depicted by percentage changes in Figure 1, clearly shows that the group with the higher cholesterol values—who were thus at greater health risk—showed the more meaningful improvement.

The researchers also separated the subjects into a hyperglycemic subgroup (29 subjects; blood glucose ≥ 104 mg/dl) and a nonhyperglycemic subgroup (48 subjects; blood glucose < 104 mg/dl). Similarly, those at greater health risk—the hyperglycemic group—showed the more consequential positive changes from the 8-day intervention.

Practice Findings
and Discussion

This study clearly shows that an 8-day integrated program of yoga, stress management, diet, meditation and positive lifestyle modifications can improve important biochemical indices associated with heart disease, stroke, hypertension and diabetes mellitus. However, one study limitation clearly discussed by the authors is the of a control group in this investigation. Although a lengthy debate on control groups is not warranted here, suffice it to say that a follow-up control-group design study by this research team—or another group of interested investigators—would be welcome.

Practically, however, this study impressively supports the direction of the fitness industry as it moves toward a much more integrated approach to health and fitness by combining exercise, mind-body interventions, stress management and healthy nutrition in comprehensive programs, versus treating each area as a separate entity. For fitness professionals currently offering inclusive wellness programs for clients and students, this study provides enlightening evidence that positive dramatic changes may be attained early in
a program.

Source: Adapted from Bijlani, R.L., et al. 2005. A brief but comprehensive lifestyle education program based on yoga reduces risk factors for cardiovascular disease and diabetes mellitus. The Journal of Alternative and Complementary
Medicine, 11
(2), 267–74.

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