“A select group of world’s top researchers studying obesity‌ recently gathered [at] the Royal Society…arguing about ‌‌the causes of obesity.“
They reached no consensus.
BUT:
“The 3-day meeting was infused with an implicit understanding of what obesity is not: a personal failing. No presenter argued that humans collectively lost willpower around the 1980s, when obesity rates took off, first in high-income countries‌, then in much of the rest of the world. Not a single scientist said our genes changed in that short time. Laziness, gluttony‌‌ and sloth were not referred to as obesity’s helpers. In stark contrast to a prevailing societal view of obesity, which assumes people have full control over their body size, they didn’t blame individuals for their condition, the same way we don’t blame people suffering from undernutrition challenges, like stunting and wasting.”
https://www.nytimes.com/2022/11/21/opinion/obesity-cause.html?smid=nytcore-ios-share&referringSource=articleShare
Opinion | Scientists Don’t Agree on What Causes Obesity, but They Know What Doesn’t

Rates of obesity won’t budge as long as society views it as a personal issue.

The New York Times
@MagdaSzubanski I was wondering if you have come across any studies on the rise of psychiatric medications linked with obesity? Eg. Antidepressants, antipsychotics etc..
@Encoempa @MagdaSzubanski
I would love to find some more studies on this subject! I personally gained 40lbs due to a psychiatric medication. I did some reading and found out the medication actually changed my metabolism. I’m off the medication but losing the weight is slow going. I can honestly say that did not help my mental health at all!