There is no moral to this story.
This. Actually, for me, it wasn't really the diet in general, but making a switch to drinking water instead of pretty much any other drink (*especially soft drinks!). I went on a hike for a couple of weeks as a teenager, and I think that not having access to anything but water to drink was enough to change my habits.
My high school health teacher insisted that chocolate does not cause acne, according to the research. Her definitive statement made me ignore what my father had been telling me for years. That's the problem with health science, you never know if you are an outlier to which the research does not apply.
PS: Acne as an already awkward and hormone supersaturated kid totally sucked.
My theory is that it's caused by air being dryer in the plane, as my lips are usually chapped on/after flight.
I myself pretty much only ate junk food, although my diet was very low cal. i avoided the sun because i burned very easy, but I was outside a lot. i was always under a high amount of stress, but i never got acne or anything like that
edit: by junkfood, i mostly ate cereal and lots of cookies/candy bars
https://nutritionfacts.org/video/the-acne-promoting-effects-...
The Mediterrean diet is largely vegetarian:
http://www.abc.net.au/news/health/2017-02-16/10-commandments...
75% of the world's population loses their ability to digest lactose after infancy:
http://www.pcrm.org/health/diets/vegdiets/what-is-lactose-in...
Milk is for babies. Cow's milk is for cow babies.
Quoting directly from the link I provided:
If you think the Mediterranean diet looks a little low on dairy foods, you're right. It's certainly lower in dairy than is currently advised in the National Dietary Guidelines
...But traditional Greek Mediterranean populations got calcium from other sources: sardines and other small fish which were eaten with their bones, and from leafy greens (which contain only a little calcium but the large volume of the greens eaten meant the amount added up).
http://www.dummies.com/food-drink/special-diets/annual-chees...
https://www.livestrong.com/article/402645-what-are-the-healt...
At least some Greeks appear to have a genetic mutation that shields them from the worst effects of cholesterol and saturated fat in cheese:
https://www.express.co.uk/life-style/health/809612/greeks-un...
Even the recent cheerleading studies for cheese caution that eating it in large quantities is dangerous:
https://www.forbes.com/sites/alicegwalton/2017/12/06/is-chee...
And health issues aside, dairy is cruel: https://www.theguardian.com/commentisfree/2017/mar/30/dairy-...
2. Changing my diet helped clean up my acne (not eating junk food)
3. When I was a teenager, I got hurt really bad, and my father found me and had to take me to the hospital. I saw massive acne breakout on his face in less than 15 minutes.
4. When I got older and was less stressed about life, my acne went away. When I got a family/career/house and life stress was severe, acne would come back.
I think there a huge health and stress connection to acne.