Regeneration: Born-Again Limbs and Organs II

When some tissues are injured, cells may become de-differentiated, a reversal of differentiation. The de-differentiated cells form a mass of cells called a blastema, which, as healing proceeds, becomes once again differentiated into the type of cells which originally formed it. In order for regeneration of a limb or organ to take place, some of […]

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Molecules of Life and Life Extension: An Introduction to the Cast II

Most vitamins are soluble in either the watery or the fatty tissues of our bodies, but not in both. Vitamins C and B are water soluble; vitamins A, E, D, and K are fat soluble. Both types of vitamins are necessary for health and long life. We have different storage capacities for different vitamins. For […]

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