This might be of interest:
https://www.theguardian.com/business...eening-bma-nhs
For those with access to the UK NHS or similar Healthcare systems I think this advice from the article sums up my POV:
" "If you think you need screening, discuss it with your GP to see what's available on the NHS. No sales tactics, and it'll be free."
N3000 - looks like you've been PM enabled, so I've sent you the promised message.