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實(shí)驗性艾滋疫苗首次表現(xiàn)出預(yù)防感染的能力，該疫苗的發(fā)現(xiàn)帶來希望。Hints: Surgeon General United States Army National Institutes of Health N.I.H. H.I.V. Thailand Sanofi Pasteur Company VaxGen Global S...

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科學(xué)家們稱一種實(shí)驗疫苗可以降低31%左右的艾滋病感染風(fēng)險，并且安全無害。Hints: AIDS H.I.V. Thailand placebo Thai Ministry of Public Health Supachai Rerks-Ngarm AIDS researchers say they still have ...

美國人飲食中絕大部分的維生素D來自牛奶。營養(yǎng)專家將重新研究人們需要攝入多少維生素D和鈣。Hints: I.U.s Institute of Medicine National Academies Small amounts of D are found in beef liver, cheese and...

維生素D有助于強(qiáng)健骨骼和肌肉，維生素D攝入不足可能引起軟骨病和骨質(zhì)疏松癥等疾病。Hints:rickets osteoporosis mackerel Boston University Vitamin D helps bones and muscles grow strong and healthy. Low ...

聲音嘶啞，請就醫(yī)。導(dǎo)致聲音嘶啞的原因很多，治療方式則以語音治療為主，其他治療方式為輔。Hints laryngoscopy steroids antibiotics"So if you have hoarseness with tobacco or alcohol use that would be a...

聲音嘶啞，請就醫(yī)。研究表明，嘶啞不僅僅是一種癥狀，也會是某些潛在疾病的外在表現(xiàn)。Hints: American Academy of Otolaryngology Head and Neck Surgery Foundation Richard Rosenfeld If using your voice is...

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