Has anyone else got a weak immune system?

[midlife]

Is your GP practice doing any "well person" activity at the moment....they could do bloods and check for B12, ferritin, ESR.. etc ?

 

[Jimidh]

I’ve only had 2 days off work in 30 years both with a stomach bug nothing to do with cycling.

It will be very hard to prove that any illness is due to cycling unless you are Richie Porte.