Historians and geneticiats have a very different approach and concluisions about  the stability of tests, role that culltrue plays &amp;, how we define populations, Do I think that 1930s IQ tests would be culturally-neutral? , NHS healthcare WAS NOT available iin the UK (including Scotland) until after the seciond world war (defineitly not aavailale to everyone as R Haier said a couple of times). In addition, mental healthcare is being ltaken seriously relatively recently. Poor people tend to fret more and have more anxiety - but saying that genes play a large part in the abilliy to cope with uncertainty and socio-economic problems. Wow, the more you think about this the more complex it is. No easy answers here and that was only a small part of the interview - hats off though to Lex for treading where others  run in the bloody iopposite direction -literally and figuratively....,(reply>), Thanks for watching and leaving a comment☝i have a package for you💝💝💝💝💝💝💝💝💝💝💝