Yes - some of us are. I combine with keto- as I find low carbs helps me not feel hungry. I find it pretty astonishing.
Useful resources are The Obesity Code by dr Jason Fung. You can also find him on youtube and www.dietdoctor.com.
Dr Ken Berry is also good:
And Eric Berg ( a chiropractor not a medical doctor) blog and you tube. He's now trying to sell a course - no need to buy anything.