Size was very good at changing the Lancet needle to start with, but after years of testing I either change it when it gets blunt or when opening a new container of test strips (whichever happens first)
My dad had a microscope and I used to look at the Lancet needle and never saw blood on it -...
The diabetic clinic says I should replace my meter yearly but why if it's working fine? I've had my vario iq about the same time as this person and don't like the new ones that use a phone app,
Both myself t2 and my type 1 friend find that the muggy weather lowers are bg significantly. I think it's related to the high pressure but that's just my theory