塞内加尔推行生育间隔 或可减少贫困 On a busy day at the Fith Mith Clinic in a suburb of Gudiawaye, just outside of Dakar, MamyDiop had just given birth to her third child, only one year and three months after the previous.She did not k

发表于:2018-12-16 / 阅读(55) / 评论(0) 分类 VOA标准英语2016年(七月)

Running Shoes Jog Joints In a study in the Journal of Injury, Function and Rehabilitation, researchers found that running shoes protected the feet, but at the expense of hips, knees and ankles. Molly Webster reports Your feet may love running shoes.

发表于:2019-01-02 / 阅读(108) / 评论(0) 分类 60秒科学

International Conference Highlights Family Planning in Senegal With the global population reaching 7 billion this year, doctors and health officials are advocating better family planning methods. Senegal, where some 2,000 international delegates gath

发表于:2019-01-13 / 阅读(48) / 评论(0) 分类 VOA标准英语2011年(十二月)

Various stages of cartilage growth on scaffold. The final image on the right shows naturally forming cartilage for comparison. These replacement joints can be made of combinations of metal alloys, plastic and ceramic, but new research shows that it m

发表于:2019-01-13 / 阅读(59) / 评论(0) 分类 VOA标准英语2010年(八)月

Osteoporosis Drug Might Repair Joints Damaged by Arthritis A medication that builds bone mass in patients with osteoporosis might actually help repair damaged joints and could be used to treat people suffering from arthritis, according to University

发表于:2019-01-13 / 阅读(47) / 评论(0) 分类 VOA标准英语2011年(九月)

AILSA CHANG, HOST: When you get up in the morning, do you hear a snap, crackle, pop? We're not talking about cereal here. We are talking about your knees. Well, if you reach for the painkiller before that cup of coffee, you are in good company. There

发表于:2019-01-16 / 阅读(54) / 评论(0) 分类 2017年NPR美国国家公共电台8月