If you're interested in
societal level mind altering dangers, here are a few to review...
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lead-crime hypothesisSummary:
The oil industry may be indirectly responsible for crime waves in the 20th century. Since gasoline was deleaded, crime is down and reduced lead exposure is a suspected cause. Country wide lead exposure due to tetraethyl lead in gasoline may have reduced IQ's and increased impulsivity and criminal behavior in individuals most exposed, so places like cities.
My own opinion, this could also explain a few things about Roman culture which may or may not have had issues with lead. But so far regarding Rome that idea is not proven.
Articles:
Lead: America's Real Criminal Element | Mother Jones
http://www.motherjones.com/environment/ ... ren-healthHow Lead Caused America's Violent Crime Epidemic - Forbes
http://www.forbes.com/sites/alexknapp/2 ... 399be763b2------------------------------------------------------------------
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toxoplasma brain behaviorSummary:
Toxoplasma is a parasite cats spread. It makes mice not fear cats and mate more. So more cats around can result in more mice. For humans, it may influence criminal behavior and sexual behavior as well as lowering iq a few points.
Also similar to mice, I wouldn't be surprised if it makes people like cats more then they otherwise would, such as reducing aversion to the smell of cat urine.
Articles:
Brain parasite directly alters brain chemistry
https://www.sciencedaily.com/releases/2 ... 102125.htmEffects of Toxoplasma on Human Behavior
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2526142/Is Toxoplasma Gondii Infection Related to Brain and Behavior Impairments in Humans? Evidence from a Population-Representative Birth Cohort
http://journals.plos.org/plosone/articl ... ne.0148435------------------------------------------------------------------
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Endocrine DisruptorsSummary:
BPA like from plastic bottles or handling paper receipts can change human behavior and hormone balances.
Articles:
Long-Term Effects of Environmental Endocrine Disruptors on Reproductive Physiology and Behavior
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2706654/Receipts may be source of endocrine disruptor: study
http://www.reuters.com/article/us-endoc ... U020140225You’re Absorbing BPA From Your Receipts, Study Shows
http://www.newsweek.com/youre-absorbing ... ows-230178------------------------------------------------------------------
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birth control mating preferenceSummary:
Hormonal birth control changes mating preferences for women. The deeper issue is that women going on and off hormonal birth control may damage their relationships due to changing attraction to who they are with.
I suspect varying levels of exposure to BPA may cause turmoil similar to studies on changing birth control.
Articles:
Birth Control Pills Affect Women's Taste in Men
http://www.scientificamerican.com/artic ... ens-taste/The Pill May Alter Sex Partner Preferences
http://www.livescience.com/9744-pill-al ... ences.htmlGoing Off the Pill Could Affect Who You’re Attracted to, Study Finds
http://time.com/3596014/attraction-sex-birth-control/
"The multiplication force of technology on cognitive differences is massive." -Jordan Peterson