I just saw some very exciting news on Fox News. Dr Garner talked about a new hormone called Irisin that mimics the effects on the body of exercise. No, it doesnt build muscles. But all the other good things that happen after exercise occur when taking this hormone. Fat burning ” the bad white type ” increases just like after exercising. Growth hormone is increased. Blood glucose levels are lowered. All KINDS of good implications in fighting obesity, diabetes, high blood pressure and a whole host of health problems.
Researchers say this newly discovered hormone is found in very high levels in the body during and after exercise. t might help plan some of th health benefits of exse an point the way to preventing obesity an diabetes. he find ws described online Wednesday n Nature (Scientific American s part of Nature ublihing Group).
s has myad benefits for the body and brain, but many f the triggers for these improvements hve so fr been somewhat of a mystery.
In the study, the researchers discovered that exercise increases the bodys production of a metabolism-regulating protein, which in turn stimulates expression of a protein that can produce the new hormone, found to reside in the outer membranes of muscle cells. After 10 days of injections, the irisin-boosted mice had shed a little weight and become more sensitive to glucose”all without exercise. And a later dissection showed that the hormone spike didnt seem to have any negative biological effects.
But, they warn, even should a pill or dietary supplement be developed from irisin, the discovery wont allow people to skip the gym. The last thing in the world were trying to do is substitute for diet and exercise, stresses Dr. Spiegelman. Researchers say this newly discovered hormone is found in very high levels in the body during and after exercise.
Hormones arent just for sex”they help control everything from the times when we feel hungry to the timing of our heart beats. Dozens have been described, but there is now a new one on the scene. It might help explain some of the health benefits of exercise and point the way to preventing obesity and diabetes. The find was described online Wednesday in Nature (Scientific American is part of Nature Publishing Group).
There has been a feeling in the field that exercise talks to various tissues in the body, Bruce Spiegelman, a cell biologist at Dana-Farber Cancer Institute and co-author of the new study, said in a prepared statement. But the question has been, how? The presence of PGC1-alpha causes production of a chemical messenger first known as Fndc5, which researchers renamed to irisin after the Greek messenger goddess Iris.
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