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.
Avoid dry, cold weather. Climate can have a big effect on psoriasis. For many people, cold, dry weather makes symptoms worse. Hot weather usually makes it better, but not always. Use a humidifier. It's important to keep your skin moist. Turn on the humidifier when it's dry. Avoid medications that cause flare-ups.