The fizzy drink business is one of the major causes to world obesity, and they typically minimise the influence of their sugary brand. According to the British Medical Journal
they've funded public health conferences to claim their product isn't a source of obesity and diet-related health disorders.
Is the US Coke's largest consumer? Despite high incidence of diet-related health issues in the U.S., no. Statista says the US doesn't have a significant Coca-Cola habit.