A simple towel around a cold pack protects your skin. "Cold therapy reduces blood flow to the area, decreasing inflammation," Bahl said. Inflammation -- in this context -- refers to swelling that ...

Discover how both heat and cold can impact psoriatic arthritis symptoms and learn which is best for your relief.

Commercial heat packs (containing iron and water, or supersaturated sodium acetate) and cold packs (various ammonium salts) can be used to show exo- and endothermicity. Heat packs that contain iron ...