Wed 1 Apr, 2015 12:29 pm
For example a research I ran into lately states that drinking coffee can prolong your lifespan, now how can they prove it?
I mean I get how they select the selective population that is supposed to present different population, but how can institutes prove that something effect the amount of years you live?
In order to prove something, institutes "tests" it on different people, for a time period, but they can not actually test the effect of something about an entire lifespan, because they didn't test it on different generations. The answers to this polls are too cocky to state that it has that big of an influence.
Can someone please explain to me what are the demands for this polls to present a statement about something that effect lifespan?
Thank you very much!
now how can they prove it?
Of course Orr they can't. But they select respondents in such a way as to minimize or cancel the effect of differences
research I ran into lately states that drinking coffee can prolong your lifespan, now how can they prove it?
Statistical analysis shows which medicine is likely to be useful for treating disease.
If all the coffee drinkers survived one year and all the juice drinkers died then lifespan was affected.