Exercise

Many adults know how to swim -- that is, they can get from one end of the pool to the other without too much trouble. But to swim proficiently and with finesse, they must learn to properly stroke, kick and breathe. That's where swim coach Nancy Kirkpatrick-Reno comes in.

Everyone knows that exercise is good for the body. But there is a growing awareness among researchers and fitness professionals that working out in groups can provide additional benefits for some. A March 2008 study in the journal Birth by University of Taiwan researchers reported that Taiwanese women taking part in an exercise support program were less likely to have postpartum depression than those who did not.