Lumifer comments on Open thread for December 17-23, 2013 - Less Wrong
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As there was some interest in Soylent some time ago, I'm curious what people who have some knowledge of dietary science think of its safety and efficacy given that the recipe appears to be finalized. I don't know much about this area, so it's difficult for me to sort out the numerous opinions being thrown around concerning the product.
ETA: Bonus points for probabilities or general confidence levels attached to key statements.
Well, my estimates for long-term consequences would probably be:
Soylent is fine to consume occasionally -- 98%
Soylent is fine to be a major (but not sole) part of your diet -- 90%
Soylent is fine to be the sole food you consume -- 10%
What are your credentials w.r.t. nutrition?
What exactly do you mean with fine?
Um. Probably lack of noticeable health/fitness problems. But yes, it's a vague word. On the other hand, the general level of uncertainty here is high enough to make a precise definition not worthwhile. We are not running clinical trials here.
By the way, the vagueness of "major ... part of ... diet" is a bigger handwave here :-/
The more I read about nutrition the more I come to the conclusion that most diets do have effects. Some advantages and some disadvantages.
I thing there a good chance that A diet without any cholesterol might reduce some hormone levels and some people who look hard enough might see that as an issue.
The first one sounds underconfident (at least if you don't count people allergic or intolerant to one of the ingredients, nor set a very high bar for what to call “fine”).
The first one can be read as saying that 2% of people occasionally drinking Soylent will have problems because of that. That doesn't sound outlandish to me.