NHS. https://www.nhs.uk/conditions/obesity/Diakses pada 1 Oktober 2019 Heatlhline. https://www.healthline.com/nutrition/11-ways-to-lose-weight-without-diet-or-exercise#section11Diakses pada 1 Oktober 2019 Huffington Post. https://www.huffpost.com/entry/the-7-surprising-ways-to-lose-weight-without-exercise_n_580f7698e4b02444efa56b2fDiakses pada 1 Oktober 2019