VOA慢速英语 骨质疏松症增加骨折风险

　　VOICE TWO:

　　Vitamin D absorbs, or takes up, calcium. Fish, cereal and milk are good sources of Vitamin D. If you spend at least fifteen minutes a day in the sun without a product to block the sun's radiation, you probably get enough Vitamin D.

　　Several kinds of drugs treat osteoporosis. America's Mayo Clinic medical centers say bisphosphonates are the most popular. Fosamax, Actonel and Boniva are products of this family of drugs. The Mayo Clinic advises that these drugs are very effective and appear safe for most people if taken as directed. Fosamax has been sold for at least ten years. Other drugs proven effective for osteoporosis are hormones and parathyroid hormone.

　　VOICE ONE:

　　Doctors who treat osteoporosis patients say physical exercise can help the bones. For active people, lifting weights or playing tennis, slow running and dancing can be helpful.

　　Some older adults worry about exercising. They believe they could hurt themselves. The Mayo Clinic says that could be true if they have not exercised in the past. It says people who have not been active in the past need a doctor's advice before starting.

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