Ali, as in almost all areas of life, proving a negative is much more difficult that proving a positive. http://www.onestopforseo.com/SEO-Tools.html One Stop for SEO . That is, how does a woman who has at some point had sexual intercourse with one man PROVE she hasn’t had sexual intercourse with more than one man? Short of the woman having been in a locked in environment where only one man has a key and only that man is ever in the building, she basically can’t. It is much easier to prove that a woman or a man has had sex with more than one partner if that has happened. It isn’t always possible to prove it even if it has happened, but it is much easier to prove than proving the absence of such an event. So, in medicine, research only very rarely can come up with always and never answers to questions. Therefore, studies will say No causal association was found but not No causal effect is possible. And, unless one can test one’s hypothesis on the entire possibly affected population not just on increasingly large samples of that population you’re not going to find many times when a researcher will guarantee absence of correlation or causation in every person, every time. What medical researchers can do is do enough testing and follow enough patients for long enough to reduce to incredibly small levels any questions remaining on causation in the presence of correlation. So, as long as most infants and children are immunized from very early ages on, and as long as the less severe forms of autism can only be diagnosed based on behaviors that can’t be evaluated until the child is walking and talking, almost all children diagnosed with autism will have had multiple vaccinations. There just isn’t any good evidence available now to implicate vaccinations in the causation of autism or any of the many other difficulties or disorders that have been named or hinted at in this discussion.
06 Monday Jun 2016
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