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Sometimes heart disease is congenital, whereas HIV/AIDS is definitely NOT something that is passed along from generation to generation to generation like a genetic mutation. Do you see the difference?
We don't know how to prevent breast cancer or we would be doing so. Name me one woman who has said, "Yes, I know what causes breast cancer, yes, I know what kinds of behaviours actively lead to breast cancer, and yes, I shall actively engage in those activities because I'm special and will never get breast cancer." Some women (and even some men) have a genetic predisposition for and family history of breast cancer, and it has nothing to do with anything they ever did -- they're just born that way. Likewise with heart defects and juvenile diabetes. Do you see the difference?
Some people do things to themselves, of course, like smoke, eschew exercise, and eat grossly unhealthy crap that they KNOW can lead to Type 2 diabetes, atherosclerosis, heart failure, strokes, colorectal cancers, and a host of other fatal or otherwise nasty ailments. They do indeed deserve what's coming to them, and they deserve the same sympathy from me that I'd give to people who know very well what constitutes high-risk activity and yet still manage to get themselves infected with HIV. You'll notice in my above post that I didn't say they don't deserve treatment. They do. They deserve the very best treatment available, and it should be free, too -- all health care should be free of charge in a civilized society. So, by the way, should all flu shots -- and there again, flu shots, the only possible method of prevention that we know of, sometimes work and sometimes don't, because the serum comes from LAST season's strain and it may or may not be effective against what's going around now. Remember the Spanish Influenza epidemic that killed millions (including my two-year-old uncle Leonard) around the end of the First World War? That was a very different kind of disease from AIDS, by virtue of its means of transmission. Do you see the difference?
We don't know how to prevent or cure the common cold either; all we can do is reduce the risk by being as careful as is reasonably possible, and alleviate the symptoms. But believe you me, at some point in your life you are going to catch a cold. Using the common cold as an analogy is silly because like flu, colds are airborne and can survive long periods outside the body. Cold viruses can enter your respiratory system on dust particles, for chrissakes. How can you prevent someone from sneezing or coughing on you on the bus or in an office building, or even in the street? How can you know that the telephone or keyboard or other surface you just touched or even just brushed up against isn't loaded with cold germs? But HIV is very very difficult to contract unless you're actually going out of your way to get it. Back when the disease was new to us and people didn't know how you caught it, yes, those people deserved sympathy, because if they had known how to prevent it, you better believe they would have. They didn't know where it came from or how to keep from getting it. People today do know these things. Do you see the difference?
There's an old saying, I think by Martin Luther, to the effect that you can't prevent the birds from flying over your head, but you CAN stop them from nesting in your hair. In other words, there are circumstances beyond your control, as contrasted with circumstances well within your control. Do you see the difference?
And don't even get me started on the disturbing, and thankfully small, group of people who DELIBERATELY seroconvert for whatever reason. Death-wish, I guess. I fully expect these idiots to cull themselves from the herd.
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