Elixir

Hemorrhoids aren't life threatening, but they're an affliction of biblical proportions. A line in the book of Deuteronomy reads, "The Lord will strike you with the Egyptian inflammation, with hemorrhoids, boil scars and itch, from which you shall never recover." It's a fearsome threat, as the condition is embarrassing and painful. 더미, 다수라는 별칭을 갖고 있지..

The word bulimia is derived from the Greek words for "ox" and "hunger". That's because people who suffer from this eating disorder often binge, or consume large amounts of food in a short period of time. They them attempt to rid themselves of the excess calories in an unhealthy manner, such as by vomiting or abusing laxatives. 식욕부진 및 기타 섭식장애와 마찬가..

Albert Einstein (1879-1955 ) was the first to envision the intense, powerful beams of light we know today as lasers. In 1917, he worte that if atomic particles called photons were combined and energized in a certain way, they would emit light all in the same direction and frequency―as opposed to ordinary visible light, which is very scattered. It took several decades, howeve..

Pneumovax is the pneumococcal polysaccharide vaccine, which protects against severe pneumonia infections caused by the bacterium Streptococcus pneumoniae. This bacterium often leads to pneumonia and meningitis in children, older adults, and people with chronic illnesses. The vaccine was developed by Michael Heidelberger (1888-1991 ) and first used on American servicemen in Wor..

The act of sexual intercourse is generally thought to bring pleasure and intimacy. But, for many people, it can cause pain, a condition called dyspareunia (pronounced dis-pa-roo-nia). Some research suggests that 15 percent of women experience this condition on a few occasions each year and that it's a regular occurence for about 2 percent. Although dyspareunia is most frequent..

A disorder characterized by involuntary utterances and motions known as tics, Tourette syndrome (TS) is named for the French doctor who first described it in 1885. About 200,000 Americans, mostly men, suffer from severe and persistent TS, and many more have milder forms of the disorder. 뚜렛 증후군의 증상은 주로 7세에서 10세 사이에 시작되는데, 초기 성..

Anyone who's ever suffered the coughs, chills, and sore muscles caused by influenza, or the flu, knows how unpleasant it can be―and to thousands of people with compromised immune systems, it can be deadly. That's why the government provides flu vaccinations each year, starting in the autumn, to help prevent the spread of influenza to the people who are most at risk. 왜냐..

The appendix is an organ that evolution overlooked. Believed to have helped ancient species store and digest food, this 3-inch-long muscular tube has no known physiological purpose today. In fact, it's a bodily troublemaker: About 1 in 15 Americans wil suffer from an inflamed appendix, or appendicitis. 아랫배 우측에 위치해 있으며 맹장은 대장의 시작부분에..

For centuries, certain people have purposely refused food. In medieval Europe, for instance, some women starved themselves as an act of cleansing to show their piety; some of these "martyrs" were even elevated to sainthood. In the 16th century, physicians named this phenomenon of self-starvation anorexia, after the Greek word meaning "loss of appetite". Over time, the focus of..

When Francis Crick announced in 1953 that he and colleague James Watson had "found the secret of life," he wasn't joking. Earlier that morning, the two scientists had decrypted the structure of life's hereditary information: deoxyribonucleic acid (DNA). DNA 는 모든 살아있는 세포의 핵에 존재하며 생물학적인 특성을 결정하는 새로운 단백질을 만..