In doing so, the Nature Doctor will prescribe where to do the walk depending on the kind of ailment one suffers from. The beach soil effect is different from the river or lake soil effect. So also the forest soil effect is different from farm soil effect. Every organ in human body terminate their blood flow at the feet. Close proximity to the Earth supplies the right amount of vibration to these organ via the even massage of the feet. Try jogging barefooted for few minutes. You'd have achieved the same amount of health as jogging with shoes for hours. This practice requires no special incantation or skill. Just walk into your rejuvenation and good health.