You'll want to play often. Another benefit of handball is the low risk of injury. A doctor who serves as a handball consultant says it's a relatively injury-free sport. Muscle strains can occur, but following a basic conditioning and stretching program keeps those to a minimum. With all that fast activity, you might think players hurt themselves hitting the walls of the court, but this seldom happens.
Handball players use both hands.
It's one of only games that helps you develop strength and coordination in your non-dominant hand and arm. Click it for details. The 2000 ESPN Sports Almanac Click bookcover for more.