...Was Never Spoon-Fed to Me By Those Well-Meaning 'Men in their White Coats' Traipsing over the Mountaintops ...as ye ole Poet Cynic 'Laureate' Philip Larkin might have put things...

No, however 'nice', 'decent' and otherwise well-meaning, the modern-day 'medics' and associated 'health professionals' undoubtedly - generally - are, their various and assorted 'scientific certainties' are - more often than not - anything but...and are far more usually nothing more (nor less, admittedly) than the conventionally accepted 'truisms' of their own particular day and age...

But what would I know - you might well ask? Pretty much everything about my own body - and its multifaceted workings - as a matter of fact...for I've carefully observed and followed its' variegated machinations now...for well-nigh upon fifty-five years...

No, this particular pleb has none of the fancy lettered emblems of 'wisdom' and attainment after his name, but what's, I'd wager, of infinitely greater value: invaluable personal experience of myself...