There are several types of arthritis. The most common type—osteoarthritis, or wear-and-tear arthritis—occurs commonly in the joint at the base of the thumb, where the thumb meets the wrist. This joint ...

I’m a fool for not doing so before now. I don’t want to spend my remaining days living hand to mouth. Quentin Fottrell is MarketWatch's Managing Editor-Advice Columns and The Moneyist columnist.