… 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 […]
Read more Aging and the Immune System I
- aging, amino acid, antibodies, arthritis, atherosclerosis, atherosclerotic plaque cells, autoimmune disease, bacteria, bone marrow, cancer, chromosome, cysteine, ducts, Elie Metchnikoff, free radicals, immune system, influenza, interferon, Life extension, lymph nodes, microbes, microphages, nerve cells, polypeptides, proteins, selenium, spleen, T-cells, thymus gland, virus, vitamin A, vitamin c, vitamin E, white blood cells, X chromosome, Y chromosome, zinc
We cannot retard senescence or reverse its direction, unless we know the nature of the mechanisms which are the substratum of duration [basis of longevity]. —Alexis Carrel, Man the Unknown, 1935 In this set of posts, we take an overall view of what we are up against in the way of aging mechanisms. There are […]
Read more Overview of Some Theories of Aging