If you’ve ever said you’re of two minds about something, you were right. The mind that had that idea was your self-conscious mind, the seat of cognitive thinking, personal identity, and free will.

It is the part of the mind that proclaims wants, desires, and intentions, and consequently the part that …

Sleep is one of the great mysteries of life. Like gravity or the quantum field, we still don't understand exactly why we sleep—although we are learning more about it every day.

Originally this article appeared on Dr Mercola, however, I saw much room for improvement, so here is my added …