The Logic of Science

“In short, most of the time when you hear someone say that a chemical cures cancer, they are referring to an in vitro study, but those studies are extremely problematic. They can only show that a given chemical kills a particular cell line for a particular type of cancer in a petri dish. They don’t show that the chemical kills cancer cells generally, nor do they show that it is safe for humans, or that in the human body it will be able to reach the cancer cells without either being filtered out by the liver and kidneys or interacting with other chemicals. There are countless chemicals that kill cancer cells in a petri dish, but that doesn’t mean that they are either safe or effective at treating cancer in humans. Indeed, there are many chemicals, such as gasoline and arsenic, that will kill cancer cells in the lab, but that doesn’t mean that it is a good idea to ingest them. In fact, many of the “cures” for cancer are very dangerous to healthy human cells (e.g., vitamin B17 works by producing cyanide and MMS is an industrial bleach). So the reason that these “alternative treatments” aren’t FDA approved is simply that they have not been shown to be either safe or effective in humans, and it is the FDA’s job to make sure that treatments are not approved until they have met those two criteria.”
by José Lourenço via Facebook at November 06, 2016 at 11:49AM

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