Meditation may shave decades off your brain's age

The spectators say, “Hey, that dude’s got one buff brain.”

“Yeah. He’s got the cortex of a twenty-year-old.”

I’m in my fifties now and there’s little danger of anyone mistaking my paunch for a six-pack. But, due to my meditation practice, if you threw me in the MRI tube, you might be awed by the thunderous oohs and ahhs.  

And, even if you have as many gra…