مطالب انگلیسی و پزشکی برای مطالعه شخصی
موضوعات امانتی از دنیای طب
A listener has written from China for advice about how to lose weight. Michael
in Shanghai says he is twenty-six years old and has battled obesity for most of his life. Doctors say obesity, also known as severe overweight, is a complex condition. A doctor may advise medical interventions in addition to changes in behavior. But experts say the most successful weight-loss plans include a well-balanced diet and exercise. The word "metastasize" means to change form, state or position. It is not a word cancer patients want to hear. Cancer can spread in a body two ways. As a tumor grows it may invade neighboring tissue or organs. Or, cancer can metastasize. This is when cancer cells break away from a first tumor and travel through blood vessels or the lymphatic system. The cells then grow in another part of the body. Not all cancers spread to other parts of the body after they are treated. However, last month, two well-known Americans announced that their cancers had metastasized.
Cardiopulmonary resuscitation, or CPR, can save the life of someone whose heart has stopped. The condition is called cardiac arrest. The heart stops pumping blood. The person stops breathing. Without lifesaving measures, the brain starts to die within four to six minutes. CPR combines breathing into the victim's mouth and repeated presses on the chest. CPR keeps blood and oxygen flowing to the heart and brain.
ادامه مطلب
ادامه مطلب
ادامه مطلب
The United States Food and Drug Administration has ordered companies to place strong new warnings on thirteen drugs that treat sleep disorders. It also ordered the makers of the sleeping pills to provide information for patients explaining how to safely use the drugs. Last Wednesday, the FDA announced that some of these drugs can have unexpected and dangerous effects. These include the risk of life-threatening allergic reactions. They also include rare incidents of strange behavior. These include people cooking food, eating and even driving while asleep. The patients later had no memory of doing these activities while asleep.
ادامه مطلب
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