[graeme]

I think you may be going a little far with this still though. Overweight is a risk factor, and someone who is overadipose absolutely is at higher risk.

For yourself, you would make the sensible adjustment of “well I’m not overadipose and therefore do not have higher risk from that factor”. That doesn’t mean you’d have no effects, it merely means you lack one risk factor.

But overadiposity absolutely is a risk factor and those in that group should be even more careful: the more overadipose, the more so.

BMI is used that way for studies because it’s a useful measure over groups. The exceptions run both ways and balance out. It just shouldn’t be applied blindly to individuals.