So does switching your diet to keto or carnivore. For some people its even veganism. Stop eating crap solves a lot of problems
But no matter how precise and intentional a diet, I don't think it can ever provide the euphoria that aerobic exercise provides.
Diet and Gut flora are incredibly important for mental health and overall well being.
In most 1st world countries, people eat way too much and often, unfortunately a lot of their food choices are heavily processed and cause massive inflammation.
Probably because it's so cliche that memes are made about it:
https://www.reddit.com/r/starterpacks/comments/6w783j/i_dont...
And this was also further complicated by the fact that lime juice can lose its nutritional character in some situations (such as certain sorts of storage), and so some experiments in using lime juice as a cure/prophylactic failed. It was also complicated because there's also high quantities of vitamin C in various fresh meats, and so crews that had access to these meats, but consumed minimal citrus, would also never seem to be affected. Tricky to nail down!
As a fun factoid, vitamin c is ascorbic acid, but it wasn't always called that. It was originally named hexuronic acid. It was renamed ascorbic (against scurvy) acid once it was confirmed that it was indeed absolutely what was treating and preventing scurvy. Another fun one is that this is also related to the slang term for a Brit - a 'limey'. The nickname came from the fact that the British navy was one of the first to start dosing their sailors with lemon/lime juice to ward off scurvy.
So the point of this is that if a whole bunch of people are suggesting something works, to the point of it becoming a meme, there may actually be something to it - even if it can be difficult to isolate the exact reason why, or why it may not work in 100% of cases. Definitively solving the mystery of scurvy took about 3,500 years from the point of it being formalized. So a bit of patience is probably justified for these sort of things.
As literally every single source you might find will affirm this, I'm at a loss for what to cite. Here [1] is a source that seems well written and informative, including some of the countless first person accounts as well. You can also look up the voyages of any famous trader/explorer/voyager you might be aware of. For instance Vasco de Gama, Magellan, Columbus, etc - you'll find horrid tales of rampant scurvy when you actually look into their voyages.
[1] - https://www.sciencehistory.org/distillations/magazine/the-ag...
Because he's making glib claims about a very important topic that aren't supported by the evidence. The only studies I could find on keto and depression were conducted on rats; I couldn't find anything on the paleo diet and I'm not even sure we agree on a definition of what paleo is. Veganism may actually make matters worse, because there's a real risk of developing a vitamin D or B12 deficiency if you aren't careful.
The evidence linking diet and depression is really very limited. Serious malnutrition can cause depression, a sensible balanced diet won't do you any harm, but any other statement about depression and diet has little or no basis in fact.
I’d say the opposite is true there are many available studies on dietary inflammation (ie chronic inflammation) and depression being linked.
See the inflammatory hypothesis of depression, also interesting is data is beginning to reveal a link between inflammation and the 1/3 of patients who do not respond to antidepressant medications. Generally when working antidepressants have an anti inflammatory effects.
It should also be noted that the diets mentioned Keto/carnivore/vegan all generally emphasize the removal of inflammatory foods (ie refined sugars, refined carbs, fried foods, artificial trans fats, etc...).
We still don't have any real idea of the causal directionality between inflammation and depression. The best available evidence (and the best available evidence is very weak) suggests that depression causes inflammation rather than vice-versa; depressive illness predicts levels of inflammation markers, but inflammation markers do not predict depression.
Some antidepressant drugs do have anti-inflammatory properties, but the reverse is not necessarily true. Several clinical trials of anti-inflammatory drugs have failed to show efficacy in the treatment of depression.
Presently, the inflammatory hypothesis is distinctly hypothetical; while some basic neurobiological research in mice support it, we have no real clinical evidence to suggest that reducing inflammation has any meaningful effect on depressive illnesses.
https://www.sciencedirect.com/science/article/pii/S088915910...
https://www.biologicalpsychiatryjournal.com/article/S0006-32...