I've never been really overweight, but still, even the slight problem I had is gone with the change of some eating habits. Mostly, a lot less carbs - I really don't need a bakery and I have to tell the Thai or Chinese waiter that I need only 10% of that huge load of rice (they always pack more rice than the rest - which already is a large amount).
Next to zero extra sugar (outside food items like fruit), no cake, no cookies. I don't need to, zero appetite for any of it. I don't even touch that honey jar in the corner any more. This is great for my teeth! (also according to the dentist, no sugar - no cavities, general rule). Always had trouble, now non, zero, with much less brushing.
I eat very high amounts of nut cream, which is just nuts but crushed to cream, expensive stuff but soooo tasty. A slice of toast, than add almost 1/3 jar of nut cream (mixed and/or cashew and/or almond white/brown and/or hazelnut) - so, really a lot - add quark (https://en.wikipedia.org/wiki/Quark_%28dairy_product%29) and some (not too much) fresh fruit and some non-crushed nuts from varieties that I don't have as cream, like walnuts.
No problem at all with my weight, unlike years ago when I really had to watch myself and did a lot of sports and running, so it's not like I can eat anything I want.
Same with cheese, but it's very little hard cheese, and all of it is high quality. A lot of my cheese is from sheep and goats.
Lots of veggies - but always with some meat. Can't eat as much as I used to any more though, my body has settled on wanting only a little bit of it.
Also, I found it important to NOT cut the (easy) carbs completely! Some white bread or rice etc. is absolutely necessary. It's just not very much, not even a full slice of white bread for the nut breakfast, for example. I think the diet that tries to brute force you into eating nothing at all of that kind of food is too extreme.
I can't eat a lot of whole nuts though, only the cream works. Which is just mechanically different, there are zero add-ons in my (organic) nut cream purchases.
Oh and I get plenty of sleep too, I don't use an alarm clock. Advantage of working from home.
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About the link, this is just statistics. These days "machine learning" has replaced the word "statistics", and now everything is called that, it seems.