It's unknown whether calorie-restricted diets have the (same) effects on humans as on fruit flies and monkeys, but it may turn out not to matter-we're learning that you don't need to (starve) yourself to put sirtuins into action. A research company called Sirtris demonstrated that resveratrol, an antioxidant found in the skin of red grapes, (stimulated) expression of sirtuins. Mice placed on high doses of resveratrol improved insulin resistance, (prevented) weight gain and increased lifespan by 20 percent. When put on a treadmill, the mice were also able to run (twice) as far and twice as fast than those not given resveratrol .
相关阅读:
医学英语口语课程
医学英语水平免费测试