Apparently, the brain is the least understood by the medical community of all the human body parts.
Some doctors say that a healthy brain is partly dependent upon physical exercise and a proper amount of sleep. Apparently good things happen to our brains when we are sleeping. John Ratey of the Harvard Medical School and author of the book, Spark: The Revolutionary New Science of Exercise and the Brain (2013) states: “Exercise is the single best thing you can do for your brain in terms of mood, memory, and learning”.
A healthy brain includes the conscious and the unconscious. Unconscious . . . [more]