important materials in your food

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important materials in your food foods contain different materials that help your body stay strong and healthy. one of the most important of these are proteins. they are absolutely necessary if the body is to grow, or if it is to repair any injuries or damage to itself. some of the principal sources of protein are lean meats, fish, and dairy products like milk and cheese. the sugar and starches, known as carbohydrates, are substances that everyone needs. they supply energy for the body. potatoes, seed vegetables, such as corn or beans, and grain products like rice, spaghetti, bread, cake and cookies are some of the foods that are sources of carbohydrates. your body also needs other materials called vitamins and minerals. these two important substances help the body to make good use of the foods you eat by making sure the proteins and carbohydrates do their jobs. they also …

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water in and out of body cells. it is also vital for the transmission of nerve impulses and the metabolism of proteins and carbohydrates. chloride is needed to maintain the body acid balance and for the action of certain enzymes. on the average, americans consume 10 grams of salt a day! about three grams come from the natural salt content of certain foods, four grams are added by food processors and additional three grams are used during cooking or at the table. for patients with significantly high blood pressure to get any benefit, they must reduce their daily salt consumption to one gram. that means eliminating virtually all canned goods and bread from the diet and boiling everything else until the salt has been leached out. not many people are willing to do that. even cutting salt consumption in half could be dangerous. not only could it deplete the body …

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eard for shunning the organ is its function as the body's clean-up department. the liver is very good at metabolizing chemicals (such as antibiotics and environmental chemicals) by converting them into farms that are easier for the body to eliminate. but does eating liver expose a person to toxic chemicals, as some folks fear? the liver converts them to nontoxic products and excretes them. there is no evidence that it stores for any length of time anything toxic. however, it is true that it filters all the blood, and anything in the bloodstream that is foreign to the body and perceived by the body as dangerous will be metabolized and broken down. but the substance doesn't just collect and sit there. the liver takes a chemical and breaks it down and renders it into a safe form. the american heart association diet guide, designed ''for all healthy americans 2 years …

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ability to find and interpret the messages ofhuman genes. such diagnoses are becoming available for an ever increasing roster of disorders caused by a fault in one or another single gene among the 50,000 to 100,000 that humans possess. prenatal detection of the classic form of hemophilia has become possible quite recently, as has been the case with cystic fibrosis. earlier methods allowed detection of at least 50 genetic diseases, including down's syndrome and tay-sachs disease. but the new tests are safer for the fetus and have added important diseases. 1. what medical problems does cystic fibrosis cause? 2. what test helps detect cystic fibrosis in the prenatal period? 3. what other genetic diseases can be detected in the prenatal period? 4. what are the advantages of the new genetic tests? genetic defect linked to learning problems a child born with a sex-chromosome abnormality is at high risk of developing …

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erentiate between the two, because a different treatment is needed for each one. in experiments on rabbits models of slowly growing intracranial hypertension were built up, and then platinum electrodes were used to measure the resistance of the cerebral tissue - with low frequency when the current passed mainly through intercellular spaces (the so-called ohmic resistance), and with a higher frequency when the current passed through both intercellular spaces and the cells, overcoming the complete, combined resistance. and the so-called capacity reactance was then determined with the aid of a special formula. as a result, a method was elaborated which helps to determine what precisely - an edema or a swelling - is the predominant disease. the results of the experiments made it possible to use the method at the institute's resuscitation ward. 1. what medical problem did the surgeons study? 2. what was the aim of the experiment? 3. …

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important materials in your food foods contain different materials that help your body stay strong and healthy. one of the most important of these are proteins. they are absolutely necessary if the body is to grow, or if it is to repair any injuries or damage to itself. some of the principal sources of protein are lean meats, fish, and dairy products like milk and cheese. the sugar and starches, known as carbohydrates, are substances that everyone needs. they supply energy for the body. potatoes, seed vegetables, such as corn or beans, and grain products like rice, spaghetti, bread, cake and cookies are some of the foods that are sources of carbohydrates. your body also needs other materials called vitamins …

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