Foods are made up of millions of chemical compounds , some of which are health promoting , and some of which may be toxic if consumed in large enough quantities 食品是由数以百万计的化合物组成的，有些对健康有益，有些如果摄入太多就对身体有害。
1 for example , fats in some foods like fish and nuts are considered good for human health . unhealthful fats include saturated and trans fats 比如，在一些像鱼和坚果类食物中的脂肪被认为是对人体健康有益的。而对身体有害的脂肪则包括饱和脂肪及反式脂肪酸。
Some chemical substances present in water as a result of natural processes are essential in maintaining good health , but some may be detrimental to health when they occur above certain concentrations 有些天然存在于水中的化学物质对维持身体健康是很重要的，但如果超过某个浓度，则可能对身体有害。
Static voltage can exert irritating effect on heart disease , schizophrenia , neurasthenic . so the garments and bedclothing cannot only make you feel uncomfortable but also do harm to your health 静电压对心脏病，精神分裂症，重度神经衰弱有强刺激，所以化纤服饰，被褥贴身使用不仅会不舒服，而且对身体有害。
Too much food , drink , and other outside influnces - such as drugs - which are bad for your body can shorten your life , sap your energy , and distract you from the work at hand 过多的食物、饮料、以及其他在身体上产生影响的东西? ?比如药物? ?是对身体有害无益的，它们会缩短寿命、消耗能量、让你无法集中精力于手头的工作。
The demand for decaffeinated coffee is growing globally because of the possible adverse health effects of caffeinated coffee . caffeine can trigger palpitations and increase blood pressure in sensitive individuals 由于咖啡因可能会对身体有害，全球这种对低咖啡因咖啡的需求日益增长。咖啡因会使一些敏感的人触发心悸，血压升高。
It has been reported that some patients mistakenly believe that long - term use of drugs which have the word " poison " printed on their packages will be hazardous to health , and some of them may even decide to cease taking the drugs 据报，有病人误以为长期服用在包装上印有毒药两字的药物会对身体有害，部分病人更因而表示会自行停止服药。
But you can find plenty of books using research from other scientific work , and many other doctors who say that meat protein is harmful , toxic and bad for the body . and they have proven a thousand and one percent of it . so don t listen to one theory alone and be convinced about it 但是放眼可见许多书籍都提出了相关的科学研究报告，有许多医生表示肉类蛋白质含有毒素，吃肉对身体有害会有不良的影响，他们有数不清的证据，所以不要只听一种理论就全然相信。
Some chemical substances present in water as a result of natural processes are essential in maintaining good health , but some may be detrimental to health when they occur above certain concentrations . fluoride , for example , is an important component in bone and tooth structure . 有些天然存在于水中的化学物质对维持身体健康是很重要的，但如果超过某个浓度，则可能对身体有害。例如，氟化物是骨骼及牙齿结构的重要成分；摄取氟化物不足会增加患蛀牙的机会，但摄取过量的氟化物却会导致牙齿产生斑点，甚至引致骨骼氟中毒。
