geobeats2013.5.17---为什么女人比男人长寿？

geobeats2013.5.17---为什么女人比男人长寿？
Learn why women live longer than men. A new study suggests that women's stronger immune systems could help them outlive men. The immune system, also known as the lymphatic system, is the human body's first defense against disease and infection. It's made up of organs and tissue that produce and carry sickness-fighting white blood cells. Researchers from the Tokyo Medical & Dental University Open Laboratory found that men and women both lose white blood cells as they age. However, as years go on, women start to produce more of a different type of cell called a lymphocyte. Lymphocytes are an integral part of the immune system as well, as they identify dangerous cells and destroy them. T and B cells are another type of lymphocyte that function on a reactive level, boosting the body's immune response to unhealthy invaders. The increase in this type of cell has led the scientists to believe that the female immune system stays younger longer. This aids in them having a greater life span than men. Women also have the advantage of producing more estrogen, which helps them stay better protected from heart disease until they reach menopause.
了解为什么女性比男性长寿。一项新的研究表明妇女更强的免疫系统可以帮助他们活得比男人，又称淋巴系统，免疫系统，是人体对疾病和感染的第一道防线。它由器官和组织生产和进行疾病战斗的白血细胞。从东京医科齿科大学开放实验室的研究人员发现，男性和女性都失去了白血细胞，因为他们的年龄。然而，随着岁月的流逝，女性开始产生更多的不同类型的细胞叫做淋巴细胞，淋巴细胞以及免疫系统的一个组成部分，因为它们识别危险的细胞，并摧毁他们。T细胞和B细胞是另一种类型的细胞，反应水平上的功能，提高机体的免疫反应不健康的侵略者，这种类型的细胞增加，导致科学家们认为，女性的免疫系统保持不再年轻。这有助于他们具有更大的男性寿命比女性还产生更多的雌激素，这有助于他们保持更好的保护心脏疾病，直到他们到达更年期的优势。