Prion disease has a case-fatality rate of 100%. That's not an estimate or approximation and it's not rounded up. They are also untreatable.
There are only five well studied prion diseases (because of their rarity). Two are exclusively heritable: fatal-familial insomnia and Gerstmann–Sträussler–Scheinker syndrome. One, Kuru, is transmitted via cannibalism.
The incubation times are extremely long. Some estimates for Kuru go up to 20-50 years.
The most prevalent form of prion disease in humans is new variant Creutzfeldt–Jakob disease (nvCJD) or Human Mad Cow which has a lag of about 10 years based on CDC data. It is transmitted by eating tainted beef products. Let me stress that this is extremely rare: there have been 3 confirmed cases in the United States.
It is extremely unlikely that Soylent is a vector for prion disease, especially since it's been vegan since version 1.2 and never contained beef as an ingredient. Even if it somehow contained tainted beef, given that it's been available for less than 3 years, it's extremely unlikely that any cases of nvCJD (of which there have only a few in the last decade) or any other cases of prion disease were caused by Soylent.
There is good reason to question the safety of Soylent given its record but "prion disease rumors circulating on Twitter" are utterly ridiculous.
Read on Twitter a while ago about a guy who ate almost nothing but Soylent for two months and started getting joint pain and trembling, and was falling over a lot. Then there was a comment by someone on Reddit who started having seizures and anxiety and blamed Soylent. Seems crazy that people are just eating nothing but this stuff for months on end and not thinking about the consequences.
It's outrageously unlikely that either of those people had a prion disease. See my reply to your previous comment for details. The median duration of CJD (which is the most similar to nvCJD and the best proxy for the statistic I could find easilty) is 4 months. That's duration of the disease before death. If the commenter had those symptoms because of prion disease, I'd estimate a greater than 50% chance he'll be dead by February. Again, it's extremely unlikely that he had prion disease.
There are only five well studied prion diseases (because of their rarity). Two are exclusively heritable: fatal-familial insomnia and Gerstmann–Sträussler–Scheinker syndrome. One, Kuru, is transmitted via cannibalism.
The incubation times are extremely long. Some estimates for Kuru go up to 20-50 years.
The most prevalent form of prion disease in humans is new variant Creutzfeldt–Jakob disease (nvCJD) or Human Mad Cow which has a lag of about 10 years based on CDC data. It is transmitted by eating tainted beef products. Let me stress that this is extremely rare: there have been 3 confirmed cases in the United States.
It is extremely unlikely that Soylent is a vector for prion disease, especially since it's been vegan since version 1.2 and never contained beef as an ingredient. Even if it somehow contained tainted beef, given that it's been available for less than 3 years, it's extremely unlikely that any cases of nvCJD (of which there have only a few in the last decade) or any other cases of prion disease were caused by Soylent.
There is good reason to question the safety of Soylent given its record but "prion disease rumors circulating on Twitter" are utterly ridiculous.