Video to watch before Youtube censors it...
https://www.youtube.com/watch?v=jSQwVDn2_YM&fbclid=IwAR2lfoegl6JMpXgL4A1XtRm-PQvFI1U3xKKzzrByD7ivQIMsV776GDDSBIk
Good Doc. States what most logically thinking know.