Show brain found to cont control rol three phases of energy the all embracing law of energy is that it runs in cycles declares joseph jastrow in his article the story of human energies appearing in a recent issue of hygeia life is a series ot of rhythms the energy cycle presents the three phases of energizing fat fatigue igue and rest in the core of the brain is a mechanism that sets your program from rom the cradle to the grave D day ay in in and day out with allowance for emergencies and holidays that portion of the brain has served you as a monitor of the energy cycle conditioning the energy cycle is a chemical traffic system called metabolism the feelings of energy I 1 and fatigue set up the go caution and stop S signs agns gns the body nee needs ds more than rest to keep it going it also 1 so nee needs d s food stoking goes on to supply nourishment food LS is metabolized into energy it is true that muscles tire and that nerve fibers do not any more than do the wires of an electric circuit over which the current runs but it is still truer that the entire neuromuscular setup set up is the focus ot of fatigue the nerve battery runs down |