Hydrogen is easily the most abundant element in the universe. It is found in the sun and most of the stars, and the planet Jupiter is composed mostly of hydrogen. On Earth, hydrogen is found in the greatest quantities as water.
Ling developed the system of massage and rhythmic movement called the âSweden movement treatment,â also referred to as âmedical gymnasticsâ or the âLing system.â8 Ling suffered from chronic health problems, including rheumatism. He discovered that his daily regimen of exercise and manual therapy had a beneficial effect on his health.
The study of human physiology as a medical field dates back to at least 420 BC to the time of Hippocrates, also known as the father of medicine.. Hippocrates incorporated his belief system called the theory of humours, which consisted of four basic substance: earth, water, air and fire.