Lupus - an autoimmune condition that affects many different organs and body tissues. even the famous conqueror Napoleon Bonaparte can decline the carnal needs from the Empress Josephine because of stress. The main function of human red blood cells or erythrocytes is usually to carry oxygen to several areas of the body. Their natural beautiful red colors comes from a biomolecule called hemoglobin which binds oxygen and occupies the cytoplasm of the cell. Unlike most human cells, red blood cells don't have nuclei or other organelles (the components or subunits of many cells). Their biconcave appearance can clearly be seen with this image which was captured using a scanning electron microscope (SEM). Looking like doughnuts without holes, they're flat and depressed inside center and also have a dumbbell-shaped cross-section. This unusual form is very important for his or her function because it is great for their smooth passage through minor and major veins. Young and Trim in Tampa A cortisol blood test is conducted to discover the cortisol hormone level in the blood. Cortisol assists the body in metabolic process stress management. The levels of cortisol inside the blood are vastly different as a result of several factors like stress, infection, injury and strenuous activities. The levels of cortisol usually vary in the length of your day. In the morning, it's generally increased, and at night and during sleep, its level is often low. Its level, however, may follow the person's sleeping habits. Those who sleep within the daytime and so are awake during the night, could have reversed cortisol level patterns also. Although, the climate issue has become of growing and also greater concern in the past few years, it cannot be denied that now is the time for doing things. The climate has deteriorated looking at man's eyes as a result of man's environmentally unfriendly activities which are affecting everything in nature from your air to plants to insects to land to folks. Some of our earlier decisions to never protect the sanctity of earth's environment have led us until now now where many elements of nature are actually complete displaced so we have to deal with the outcomes. Every year now, the winters get shorter and more intense and the summers get longer plus more and more unbearable. World over, glaciers have melted, continents have moved, wildlife is endangered nevertheless man is constantly on the build his bubble of technology.