"cold packs are needed for sudden acute injuries while heat packs are reserved for chronic [long-lasting] injuries and/or pain." Heat is best for: Injuries caused by sudden movement Injuries ...

A heat pack is a commercial product used by hikers and skiers as a hand warmer. It consists of a plastic pouch filled with a supercooled solution of sodium acetate (NaCOOCH 3). When a metal disc in ...

If you're heading to a warm-weather destination, it's helpful to know what to pack. Nina Anders shows us her packing tips and ...