A fun way to better health

If you're a senior citizen and 

1. Want your brain to release endorphins that act as painkillers and reduce anxiety.

2. Want your body to release substances that bolster your immune system.

3. Want to lower your chances of depression.

Here's the answer: Sexual activity. It does all those things for the elderly, who apparently are taking advantage of the benefits. A national survey says more than half of people 75 to 85 report that they have sex more than two or three times a month.