Despite numerous studies, the actual cause of the inflammatory bowel diseases remains elusive. It is likely, however, that these chronically recurring episodes of inflammation in the human bowel are related to a complex interaction between various environmental factors and a hereditary predisposition for these diseases.
Blend and Combination Fabrics. Blend and combination fabrics are often used to combine the desirable properties of two fibers, reduce cost, and enhance appearance. The fiber content labels do not differentiate between blends and combination yarns and fabrics. It is often assumed that they are blend fabrics.
At times, it may be desirable to blend either cotton or polyester with other fabrics to enhance a certain characteristic, such as breathability, strength or the ability to stretch. Some of the fibers that cotton mixes well with include linen, polyester, elastane (spandex/ lycra), and viscose.