To give myself a mental boost, I enrolled in the New School this summer.

Besides the mental boost it provides (runner's high is real), running strengthens your bones and burns about 100 calories per mile.

Even one mental boost a week can equal a 7 percent gain in mental sharpness.

Various supplements that provide mental and physical boosts:

Beyond how Rivera's return will help the team statistically, his presence also gives the Yankees, the best team in baseball, a mental boost.

A victory here is a tremendous mental boost.

He took time off, tried baseball, which he really had to work at, and it gave him a mental boost.

"This will give me a mental boost," he said.

There's Zyban, which gives you a mental boost.

But don't underestimate the mental boost of shedding some pounds.