Clearing the head

"I will go jogging in the morning and again in the evening this weekend," Shirley proclaimed resolutely after downing the Yong Tau Foo.

I've been told that the simple act of exercise frees the mind - to channel off nervous energy that blocks our intuitive thought process. It's called clearing the head. We all know that it's only when we've cleared our heads that the right answers - and the right questions - can start to come in.