Every time I see someone touch oil or breathe in fumes or dust( or other dirty things), I always see “hes gonna get cancer” in comments. I always kind of just accepted it as truth, but do they actually give you cancer? like how can breathing in some dust make your cells divide weirdly and give you cancer?
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Its about probabilities. For instance, one in a thousand might get cancer from Asbestos particles, but tha probablity is actually more like one chance in ten thousand years for one in one hundred thousand people. One’s immune system kills hundreds of potential threats daily perhaps, but misses one molecule once in your eighty year life span. Next day, you walk out of the door and a block of ice falls off of an airplane toilet and kills you. What was your chance of that happening?
Because, apart from radioactive stuff, nothing “gives” cancer
Things might “add” to the probability of you having some type of cancer, more or less…
Dust in old houses will probably have lead paint or asbestos. Alot of things like BBQ meats that have charred on them trigger the California 65 warning label that the contents might cause cancer. There are just a lot of things with harmful stuff in it.
DNA has instructions on how to build and operate a cell/tissue/organ/system/organism. It is a chemical, as are all the biological processes. Some chemicals can damage DNA or the mechanisms, resulting in mutations. Some mutations are ‘caught’ by the cell’s error-detection mechanisms and corrected or the cell can self-destruct. Others interfere with the mechanisms that control division or that receive signals from outside to control that division.
So if you have a robot that ordinarily can self-replicate but will shut down on receiving a signal or detecting internal corruption. If its code is damaged in such a way that it will keep replicating independent of receiving the signal to replicate, and doesn’t respond to a shutdown signal then you have a problem.
The comments sometimes are exaggeration because that’s the nature of online comments. Many chemicals in very large doses can cause cancer in the lab, but realistically they result in poisoning/toxicity.
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