New study shows for the first time that lifestyle changes -- changes in diet, exercise, stress management and social support -- can result in longer telomeres, the parts of chromosomes that affect aging. The study was conducted by scientists at UC San Francisco and the Preventive Medicine Research Institute.

Dean Michael Ornish (born July 16, 1953) is an American physician and researcher. He is the president and founder of the nonprofit Preventive Medicine Research Institute in Sausalito, California and a Clinical Professor of Medicine at the University of California, San Francisco. The author of Dr. Dean Ornish's Program for Reversing Heart Disease, Eat More, Weigh Less and The Spectrum, he is a well-known advocate for using diet and lifestyle changes to treat and prevent heart disease.
2025. February 21.
Telomeres are protective DNA-protein complexes at the end of linear chromosomes that promote chromosomal stability. Telomere shortness in human beings is emerging as a prognostic marker of disease risk, progression, and premature mortality in many ty