单词:vascular rays
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Health Report - Mouth X-Rays and the Brain; Infected Gums Do Not Cause Heart Attacks This is the VOA Special English Health Report. A new study suggests that dental X-rays may increase the risk of the most common kind of brain tumor. However, experts
Jeremy Lin is a Harvard graduate playing in the National Basketball Association. He is an Asian-American in a league devoid of them, which makes him doubly anomalous. No team drafted Lin in 2010. Two teams cut him in December, before the Knicks picke
As summer approaches we all enjoy outdoor activities. But with sunlight becoming more intense we should protect our skin from harmful direct exposure to the sun. 随着夏日的到来,我们都喜欢进行一些户外运动。但因为日照愈加强
Love gives you a healthy heart Lovers have more reason than ever to celebrate this Valentine's Day, as a new scientific theory has suggested a healthy and loving relationship is good for the heart. Research suggests that being involved in any type of
VIENNA, Nov. 13 (Xinhua) -- Women with diabetes are twice at the risk of suffering a stroke as those without the disease, an Austrian expert said here Thursday ahead of World Diabetes Day on Friday. Recent studies have shown that women with diabetes
生活大爆炸第四季第十集_1 剧情简介: The Big Bang Theory是一部以科学天才为背景的情景喜剧.四位科学天才分别是:可爱善解人意的Leonard,高智商零情商的Sheldon,会六国语言的 Howard Wolowitz,以及患有