I agree with the part that diet is way more important than walking and exercise, in the short term. But not exercising can lead to obesity long term. Here are s

I agree with the part that diet is way more important than walking and exercise, in the short term. But not exercising can lead to obesity long term. Here are some other things that can cause obesity / type 2 diabetes aside from dietary choices: - Microbiome (eg due to bad microbiome passed on at birth): https://pubmed.ncbi.nlm.nih.gov/27255389/ https://pubmed.ncbi.nlm.nih.gov/27255389/ - Sitting the whole day - Circadian rhythm disturbance, eg through shift work - Gestational diabetes increases infant‘s T2D risk later in life - Hypothyroidism - Hypogonadism / low Testosterone - Chronic inflammation, eg via inflamed root canals or chronic infections. People can have eg low grade E. coli overgrowth without knowing. - Low gut barrier function due to drugs or inflammation - many many more