From Wikipedia, the free encyclopedia. An elimination diet is a method of identifying foods that an individual cannot consume without adverse effects. Adverse effects may be due to food allergy, food intolerance, other physiological mechanisms (such as metabolic or toxins), or a combination of these.
Dowager's hump: An abnormal outward curvature of the thoracic vertebrae of the upper back. Compression of the front portion of the involved vertebrae due to osteoporosis leads to forward bending of the spine (kyphosis) and creates a hump at the upper back.
Heavy use of any zipper can cause problems down the road, and a bivy is no exception. Having to constantly adjust a zipper is the reality of sleeping in a nylon tomb, and dealing with condensation during the night is a terrible time to have zipper malfunction. bivy is a work horse for hard-core campers. They are pitched in snow caves,on rock ledges, and in gravel clearings. The most important aspect of durability is the quality of the bottom fabric.