ore and more people each year are dying from complications related to pregnancy and delivery.In the United States,deaths from pregnancy,during delivery,or。。。
ore than37million Americans have diabetes,which causes high blood sugar.Normly,your body produces insulin,a hormone that helps regulate levels of blood glucose。。。
Attention-deficit/hyperactivity disorder(ADHD)affects the brain's ability to focus and control impulses and is one of the most commonmental disorders that children。。。
Attention-deficit/hyperactivity disorder(ADHD)isaneurodevelopmental condition(acondition that affects how the brain develops and works)。ADHD is often diagnosed in childhood,but。。。
未经处理的pollutionEvery day you are surrounded by sounds from your environment,including the TV,radio,appliances,and traffic.Noise pollution is unwanted or bothersome。。。