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In this first class are fruits, fresh vegetables, whole grains, olive oil, ocean fish and shellfish. In the next class, with radiations 6.5 thousand to 3,000 angstroms are eggs, peanut oil, wine, boiled vegetables, cane sugar and cooked fish. The third category, with very weak radiations below 3,000 angstroms, is comprised of cooked meats, sausages, coffee, tea, chocolate, jams, processed cheeses and white bread. The fourth category exhibits practically no life force and includes margarine, conserves, alcoholic spirits, refined white sugar and bleached flour.
Simonéton also found that food with a vital radiance of 8,000 to 10,000 angstroms caused the pendulum to rotate at the amazing speed of 4-500 revolutions per minute over a radius of 80 millimetres. Those between 6,000 and 8,000 angstroms spin at 3-400 revolutions per minute over a radius of 60 millimetres. However, meats, pasteurized milk and overcooked vegetables, which have a value of less than 2,000, are too low in energy to cause the pendulum to revolve at all.
This substantiates the recurrent yogic advice to maintain purity of diet, especially while practising pranayama.
Pranic value of air: Pure air is essential for life and health, not only to satisfy the requirement of oxygen, but also the need for prana. The quality of air one breathes affects one's energy level directly. The exhilaration and vitality experienced near a waterfall or high in the mountains is because the quantum of prana in the air is significantly higher in these places. On the other hand, when one is exposed to air pollution or recycled air, the energy level quickly begins to decline. Science has explained this phenomenon in terms of ions, charged particles in the air that are formed when enough energy acts on a gaseous molecule to eject an electron. Ions may be negative or positive. When the displaced electron attaches itself to an adjacent molecule, it becomes a negative ion. The original molecule then becomes a positive ion.
These positive and negative ions are the components of the air one breathes. When one inhales negative ions, they
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