CPT1A and type 2 diabetes mellitus: Since there is a strong environmental correlation between waist circumference and triglycerides, methylation at CPT1A and ABCG1 is associated with HTGW, and HTGW is a significant predictor of type 2 diabetes related traits, our study points towards possible environmental links with known modifiers of methylation such as diet, physical activity, and pharmacological interventions [73, 74].