We hear a lot about getting enough iron, but iron toxicity is also a problem. It kills children when they overdose on iron supplements, and it may be behind many illnesses in adult and ageing males.

Top of the list of my recommendations is to stop using any product or ingredient that is a carcinogen, tumour grower or suspected carcinogen.

Stop using any product or ingredient that is a carcinogen, tumour grower or suspected carcinogen. Conventional deodorants, antiperspirants and household cleaners come to mind.