References:

https://www.drberg.com/blog/use-intermittent-fasting-for-serious-weight-loss

https://www.drberg.com/blog/5-tricks-to-make-intermittent-fasting-work-faster

https://www.drberg.com/dr-eric-berg/clinic?wickedsource=google&wickedid=224842664346&wtm_term=&wdevice=c&wtm_campaign=946917728&wtm_content=46565973025&gclid=Cj0KCQiA_5_QBRC9ARIsADVww15eyYns0o5vgIQvb2_7dGmaLTB09kRbosSTbs_JC44lz7UO939F8HUaAoKUEALw_wcB

https://dirtyscam.com/reviews/dr-eric-berg/

https://www.yelp.com/biz/health-and-wellness-center-inc-alexandria-15