外语题库32021-05-04
翻译题:Consuming too little calcium can contribute to osteoporosis,a thinning of the bones that causes more than 2 million fractures a year.Once osteoporosis sets in,taking extra calcium and vitamin D won't prevent fractures.But not getting enough
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外语题库32021-05-04
翻译题:'For people who can't or won't get more in their diet,it's better to fill that gap with supplements than to stay on the low side,'says Bess Dawson-Hughes,director of the Bone Metabolism Laboratory at the USDA Nutrition Ce
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外语题库32021-05-04
翻译题:Many of the more than 30 million Americans who are lactose intolerant don't get
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外语题库32021-05-04
翻译题:Getting adequate calcium from food is easier.For example,8 ounces of milk or 6 ounces of yogurt has 300 mg of calcium,and one cup of spinach has 270 mg.But studies show on average,Americans get only about 750 mg of calcium from their diets.
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外语题库32021-05-04
翻译题:People also need sufficient levels of vitamin D to absorb the calcium.The IOM recommends 600 international units a day for most adults,and 800 daily after age 70,although many physicians recommend more.It is difficult to take in that much vitamin
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外语题库32021-05-04
翻译题:How much calcium people need varies by age and gender.Adults generally need 1,000 milligrams daily,rising to 1,200 mg for women over 50 and men over 70,according to guidelines issued in 2010 by the Institute of Medicine,an independent advisory gr
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外语题库32021-05-04
翻译题:'Unless you take in enough calcium,by mouth,every day,you have to keep borrowing it from your skeleton,so over your lifetime,you need to get enough,'says Dr.Siris.'If you have low bone mass,or are at risk for fractures,you want to
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外语题库32021-05-04
翻译题:Meanwhile,experts say they are still more concerned that too many Americans aren't getting enough calcium,since the body can't make it on its own.
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外语题库32021-05-04
翻译题:The links to heart attack and kidney stones involved calcium supplements,not calcium from food sources,Dr.Siris and other experts note.Many other studies have not found such health risks,so more research is needed to understand what levels,if any
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外语题库32021-05-04
翻译题:'It's gotten very confusing but it doesn't need to be,'says Ethel Siris,director of the Toni Stabile Osteoporosis Center at Columbia University Medical Center in New York.
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外语题库32021-05-04
翻译题:For generations of Americans who grew up exhorted to drink their milk to maintain strong bones,the reports raised troubling questions:Is calcium not so important after all?Are the supplements unsafe?And how much is too much?
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外语题库32021-05-04
翻译题:Yet recent studies link calcium supplements to a higher risk of heart attacks and kidney stones.Last month,the U.S.Preventive Services Task Force issued a draft recommendation against taking calcium and vitamin D,saying there wasn't enough e
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外语题库32021-05-04
翻译题:Americans spend more than$1 billion a year on calcium supplements in hopes of staving off osteoporosis,the brittle bone disease that cripples many elderly women and some men.
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外语题库32021-05-04
翻译题:While many people aren't getting enough calcium,new research cautions that some people may have the opposite problem:They could be getting too much.
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外语题库32021-05-04
翻译题:How you choose to relax will vary from person to person,whether that's taking a walk outside,curling up with a favorite book,or taking time to meditate or practice yoga or another soothing habit each day.
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外语题库32021-05-04
翻译题:Yes,this means managing fears—good strategies include taking breaks from social media and relying on trustworthy media sources for information,both of which can help you avoid panic and misinformation.
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外语题库32021-05-04
翻译题:Stress can also make a big difference for your immune system,particularly when there are alarming or uncertain events happening in the world around you.
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外语题库32021-05-04
翻译题:As an added bonus,endorphins from exercise also reduce stress.
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外语题库32021-05-04
翻译题:If you're working from home or staying out of the gym,there are plenty of ways to still get your sweat on—body movements like burpees,lunges,push-ups and more can give you a quick full-body workout with no equipment.
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外语题库32021-05-04
翻译题:锻炼既能保持健康,又能改善心情
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外语题库32021-05-04
翻译题:Just one night of poor sleep can reduce your immune cells by as much as 70%,research shows.
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外语题库32021-05-04
翻译题:While you're asleep,your body uses that time to do critical recovery and repair of essential functions,including your immune system.
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外语题库32021-05-04
翻译题:That means 7-9 hours each night for most people,according to Harvard Health.
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外语题库32021-05-04
翻译题:One of the most evidence-supported ways to stay healthy also happens to be free—getting enough sleep.
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外语题库32021-05-04
翻译题:You can get vitamin D naturally through sunlight.It's also found in some foods,including fatty fish like salmon,tuna and mackerel,and in small amounts in beef liver,eggs,cheese,and mushrooms.
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