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Bulletin of Science, Technology & Society
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Homeostasis Is Maintained in Yan Xin Life Science Technology-Optimized Caloric Restriction: Physiological and Biochemical Studies

Xin Yan

Chongqing Institute of Traditional Chinese Medicine/New Medicine Science Research Institute

Canhui Li

Hospital for Sick Children

Chao Lu

Hospital for Sick Children/University of Toronto

Wei Chin

Wei Chin Dental Practice

Hua Shen

New Medicine Science Research Institute

Jun Wang

New Medicine Science Research Institute

Yan Xin Life Science Technology-Optimized Caloric Restriction (YXLST-CR) is a unique food abstinence, which suppresses appetite and sensation of hunger while maintaining physiological homeostasis. The authors review the first clinical case study on YXLST-CR, or YXLST-bigu, a 15-day, 24-hour observation in 1987 on a 21-year-old female undergoing YXLST-bigu for several months. The participant took no food or water and conducted normal physical activities. The daily records of body weight, temperature, pulse rate, blood pressure, and daily urine test results showed no abnormalities. Homeostasis was maintained during YXLST-CR. The authors also report serum leptin levels in a group of individuals undergoing YXLST-CR and a control group before and after a 24-hour water-only period. The leptin level prior to the observation for the YXLST-CR group was lower than that for the control group and remained unchanged during the observation, suggesting the possibilities of an established metabolic adaptation.

Key Words: caloric restriction • Yan Xin Life Science Technology (YXLST) • bigu • clinical observation • leptin

Bulletin of Science, Technology & Society, Vol. 22, No. 5, 397-402 (2002)
DOI: 10.1177/027046702236893
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