A Glass Half Full

I guess the Norman Vincent Peale wasn't totally off the mark.

From MSNBC...

Optimism doesn't just boost your mood. According to new research, a glass-half-full attitude also strengthens the immune system.

The study, which tracked changes in optimism and immune response among first-year law students, found that as students became more optimistic, they showed stronger cell-mediated immunity, the flood of immune cells that respond to an invasion by foreign viruses or bacteria. When optimism dropped, so did cell-mediated immunity.