It seems to be more complicated (or unpredictable?) than that: > In this study, rapid weight loss was associated with the loss of kidney function in males with

It seems to be more complicated (or unpredictable?) than that: > In this study, rapid weight loss was associated with the loss of kidney function in males with normal weight, and with improvement of kidney function in overweight males. > Our study showed that BMI and BMI change were not associated with eGFR change in females. https://pmc.ncbi.nlm.nih.gov/articles/PMC4658128/ https://pmc.ncbi.nlm.nih.gov/articles/PMC4658128/