Lack of sleep and poor nutrition can be compensated for with caffeine, sugar, power bars, or the pure will to concentrate, but nothing substitutes for genuine physical health. Sleep, exercise, a proper diet, and regular checkups maintain your physical body. This is a basic, essential priority, which provides the well of energy from which you draw the strength to accomplish everything else you need to do. Some people neglect their own physically health for so long that they forget what it feels like to be healthy and rested. Making the commitment to your physical health will have an immediately....