![]() Six middle-aged rhesus macaques fed extra taurine for six months seemed healthier, weighed less, had denser bones and showed signs of better metabolic health compared with five monkeys that didn’t get extra. Extra taurine led to improvements in aspects of bone strength, muscle coordination and memory in experiments with groups of five to 10 mice. Taurine was also linked with health in mice and female monkeys. elegans went from a median of almost 20 days to about 23 days on the highest doses tested. Taurine led to a similar life span boost for shorter-lived worms C. With taurine, that increased to nearly 33 months. For example, the median life span for female mice that didn’t get extra taurine was around 29 months. Molecular physiologist Vijay Yadav of Columbia University Irving Medical Center and colleagues found that extra taurine extended mice’s median life spans by 10 to 12 percent. ![]() Nevertheless, it has a range of suspected jobs in the body, from helping the developing brain to eye health to digestion. As far as amino acids go, taurine is an oddball: Unlike other more familiar amino acids, it doesn’t get incorporated into proteins. ![]() The results, 11 years in the making, center on taurine in part because scientists found its levels fall with age in the blood of mice, monkeys and humans. And this is a new set of findings that deserves to be followed up.” “So any way you can chip away at that edifice is great. Aging “is one of the great biological unknowns,” says biologist and cardiologist Toren Finkel of the University of Pittsburgh, who was not involved in the study.
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