Head to the mountains, and if the steep trails don't slow you down, the thin air will. There's less oxygen up thereso strenuous activity can leave you dizzy, out of breathor worse. But even though you're beat, biochemical processes are already busy a

发表于:2018-12-24 / 阅读(29) / 评论(0) 分类 2017年Scientific American(二)月

SCIENCE IN THE NEWS - A Possible Blood Test for Alzheimers Disease JUNE SIMMS: This is SCIENCE IN THE NEWS, in VOA Special English. Im June Simms. SHIRLEY GRIFFITH: And Im Shirley Griffith. Today we tell about Alzheimers disease. More than a century

发表于:2019-01-12 / 阅读(52) / 评论(0) 分类 2012年VOA慢速英语(三)月

A number of risk factors can predict your chance of getting a heart attack. High blood pressure or cholesterol, a history of smoking, just getting older - all of these make heart disease more likely. When a suspected heart attack patient shows up at

发表于:2019-01-14 / 阅读(41) / 评论(0) 分类 VOA标准英语2010年(十一)月

HEALTH REPORT-Heart Disease and C-Reactive Protein By Cynthia Kirk Broadcast: Wednesday, January 19, 2005 I'm Gwen Outen with the VOA Special English Health Report. American researchers have found evi

发表于:2019-01-30 / 阅读(84) / 评论(0) 分类 健康与经济

Diabetes is all about carbs, Deborah Malkoff-Cohen, registered dietitian and certified diabetes educator, says. No medical prescription can fix a bad diet. The condition requires daily maintenance monitoring blood sugar levels, eating healthy and exe

发表于:2019-02-01 / 阅读(24) / 评论(0) 分类 阅读空间

By Carol Pearson Washington 09 April 2008 Diabetics have a greater than average chance of having a heart attack or stroke. But new research indicates that lowering blood pressure and cholesterol below recommended guidelines seems to reduce these risk

发表于:2019-02-03 / 阅读(32) / 评论(0) 分类 VOA常速英语2008年(四月)