see also: https://aeon.co/essays/blaming-individuals-for-obesity-may-be-altogether-wrong https://aeon.co/essays/blaming-individuals-for-obesity-may-b... tldr

see also: https://aeon.co/essays/blaming-individuals-for-obesity-may-be-altogether-wrong https://aeon.co/essays/blaming-individuals-for-obesity-may-b... tldr even lab animals are getting heavier. my favorite explanation is greater control over our temperature uses less metabolism.