In short, fiber is material that cannot be digested, and it acts like a sponge. It draws water from its surroundings, making it swell, which softens stool and adds bulk to it, which in turn helps it pass. Like coffee, some kinds of fiber (like beans) can contribute to constipation, so always drink plenty of water.
The immune system can distinguish between normal, healthy cells and unhealthy cells by recognizing a variety of danger cues called danger-associated molecular patterns (DAMPs). Cells may be unhealthy because of infection or because of cellular damage caused by non-infectious agents like sunburn or cancer.he immune system can distinguish between normal, healthy cells and unhealthy cells by recognizing a variety of danger cues called danger-associated molecular patterns (DAMPs). Cells may be unhealthy because of infection or because of cellular damage caused by non-infectious agents like sunburn or cancer.
Our immune system works around the clock, year in and year out to protect us from infection and from cancer. The body has three kinds of blood cells. Red cells carry oxygen. Platelets make the blood clot when it is supposed to. White blood cells fight infection and inhibit cancer. The immune system is made of the white blood cells (especially lymphocytes) and organs rich in white blood cells, including lymph nodes, the spleen, and the thymus.