A threshing floor in Santorini in Greece. Russian women using a hand powered winnowing machine in a barn. Note the board across the doorway to prevent grain from spilling out of the barn, this is the origin of the term threshold.
Psoriasis is not contagious. It is not something you can âcatchâ or that others can catch from you. Psoriasis lesions are not infectious and cannot be passed from person to person.It is okay to have contact with people who have psoriasis.t is not something you can âcatchâ or that others can catch from you. Psoriasis lesions are not infectious and cannot be passed from person to person. It is okay to have contact with people who have psoriasis.
Non-Contagious Skin Disorders. 1. Psoriasis. Psoriasis is a condition that causes big areas of red, raised skin, flaky dry skin, and scaled skin. It has no cure, and cannot be contracted with skin to skin contact. 2. Eczema. Eczema is a skin condition caused by inflammation. It is a chronic condition for many people.