Yes, eggs contain a lot of choline. It is generally good for you, and for your brain health. More importantly, I think people need to be aware that there are a lot of common, over-the-counter, drugs that are actively anticholinergics, and have been linked to an increase of Alzheimer's Disease, and Dementia in general. Common, OTC drugs, like #***Benadryl*** (Diphenhydramine), are exteme anticholinergics, and block the action of acetylcholine, the important neurotransmitter which is a direct metabolite of choline in the human body. They are suspected to [increase dementia.](https://www.health.harvard.edu/blog/common-anticholinergic-drugs-like-benadryl-linked-to-increased-dementia-risk-20150128812) This is important, because many, many anticholinergenic drugs, including diphenhydramine (benadryl), are regularly administered to elderly patients, for a wide variety of causes. They are not only used as antihistamines, but also as general sedatives, and sleep aids. [Here is a list of anticholinergenic drugs.](https://link.springer.com/article/10.1007/s40263-024-01078-z/figures/1) They are not without their medical uses, and can be useful in treating a wide variety of conditions. That being said, acetylcholine is a very important neurotransmitter, and anything that blocks it can eventually have a neurological effect, if it is taken too long, or, in too high of a dose. I am kind of burying the lead with this one; All of these drugs are hallucinogens, if taken in high enough amounts. However, unlike more traditional recreational hallucinogens, they are not classified as psychedelics, like LSD or Psilocybin, or disassociatives, such as ketamine. They are instead classified as [deliriants](https://en.wikipedia.org/wiki/Deliriant). Psychedelics (LSD, DMT, Shroom) will often give you a somewhat pleasant vista into otherworldly sights, where you objectively know that what you are seeing is not everyday reality. Disassociatives will offer you a strange, otherworldly out of body experience. Deliariants, such as Diphenhydramine (Benadryl), Jimson Weed, or [Scopolamine](https://en.wikipedia.org/wiki/Scopolamine), give you a prolonged and quite Hellish experience, which your perception is indistinguishable from reality. All of the hallucinations look the same as normal reality, except for the fact that they are not there. i.e. you will see a dead relative talking to you, and talk back to them, having forgotten they actually died. The signs/symptoms of a hallucinogenic dose of Diphenhydramie almost perfectly match up with the signs/symptoms of Alzheimer's Disease/Dementia. I am not saying this is the cause of Alzheimer's/Dementia, but far too many nursing homes/elder care facilities regularly administer diphemhydrame, because it is an OTC drug with a mild sedative effect. And it is not as safe as you think.