为什么你总是感到很累_公共英语阅读理解

为什么你总是感到很累

为什么你总是感到很累1

You skip exercise when you're tired

累的时候你就不锻炼了

Skipping your workout to save energy actually works against you. In a University of Georgia study, sedentary but otherwise healthy adults who began exercising lightly three days a week for as little as 20 minutes at a time reported feeling less fatigued and more energized after six weeks. Regular exercise boosts strength and endurance, helps make your cardiovascular system run more efficiently, and delivers oxygen and nutrients to your tissues. So next time you're tempted to crash on the couch, at least go for a brisk walk-you won't regret it.

实际上，为了节省能量而不去锻炼会给您带来不利影响。在格鲁吉亚大学的一项研究中，静坐但健康的成年人他们每周会花3天的时间轻度锻炼，每次至少锻炼20分钟，报道称6周后他们的疲劳感降低，同时更加充满活力。经常运动会加强力量和耐力、有助于心血管系统更有效地运作、并将氧气和营养物输送至人体组织。所以下一次你想躺在沙发上的时候，至少也得去散个步吧--你不会后悔的。

You don't drink enough water

喝的水不够多

Being even slightly dehydrated-as little as 2% of normal fluid loss-takes a toll on energy levels, says Amy Goodson, RD, a dietitian for Texas Health Ben Hogan Sports Medicine. Dehydration causes a reduction in blood volume, explains Goodson, which makes the blood thicker. This requires your heart to pump less efficiently, reducing the speed at which oxygen and nutrients reach your muscles and organs. To calculate your normal fluid needs, take your weight in pounds, divide in half and drink that number of ounces of fluid a day, Goodson recommends.