Aging and the Immune System II

One of the most important factors leading to immune system decline is the greatly reduced rate of release of growth hormone by the brain as we age. This hormone, produced by the pituitary gland, begins to fall off in quantity after your teens. Since the thymus gland requires growth hormone to function properly, this decrease […]

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Aging and the Immune System I

… just as the pigment of the hair is destroyed by phagocytes, so also the atrophy of other organs of the body, in old age, is very frequently due to the action of devouring cells which I have called macrophages. —Elie Metchnikoff, The Prolongation of Life (1908) Instead of preventing diseases only by protecting the […]

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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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