The human body contains many natural polymers, such as proteins and nucleic acids. Cellulose, another natural polymer, is the main structural component of plants. Most natural polymers are condensation polymers, and in their formation from monomers water is a by-product.
Alopecia areata is one type of hair loss that typically causes patches of baldness. In some cases, total baldness develops. In many cases, the hair re-grows, typically after several months. In some cases, the hair loss is permanent.
Hair Loss. Hair Loss. Losing a lot of hair (more than 100 hairs a day) can be caused by inherited factors, disease, stress, medicines, injury, aging, or hair care. Inherited hair loss. The most common cause of hair loss is genetics-you inherit the tendency to lose hair from either or both of your parents.