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.
White blood cells. The white blood cells play a very important part in the immune system as it is the white blood cells which directly fight the bacteria and viruses that infect the body.There are three main types of white blood cell: granulocytes, lymphocytes and monocytes.Granulocytes help to engulf bacteria, fungi and parasites.hite blood cells. The white blood cells play a very important part in the immune system as it is the white blood cells which directly fight the bacteria and viruses that infect the body.