What Causes a Rash in Your Armpit? An armpit rash is more common than you might think. Your armpits probably come into contact with more chemicals each day than most other parts of your body. Don’t be ...

Heel slipping is a major cause of blisters when hiking or backpacking. This video shows simple boot lacing techniques, fit adjustments, and sock strategies to lock your heel in place and prevent ...

Blister beetles are aptly named because they can produce a toxic chemical called Cantharidin which is an irritant which can cause human skin to blister. That chemical can irritate the gastrointestinal ...