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Agreed. For example our brain _depends_ on glucose for energy. Even if you go into ketosis, your body will still generate glucose to feed your brain (and possib

Agreed. For example our brain _depends_ on glucose for energy. Even if you go into ketosis, your body will still generate glucose to feed your brain (and possibly other organs?). Conversely, cigarettes offer nothing that your body depends on. There's no doubt that too much sugar is a really bad thing, and that the average diet in USA (and other parts of the world) is way too heavy on sugars, but it's not something to be puritanical about. A little sugar in your diet is non-harmful for most people; it is a valuable nutrient.

staticassertion 5y ago
> For example our brain _depends_ on glucose for energy. Right, but you don't need to eat sugar. Your body is capable of manufacturing glucose as-is from fat or protein. If you have 0 grams of sugar in your diet it's not like your brain will starve. > it is a valuable nutrient. No it isn't. Your body does not require that you eat sugar and it does not benefit from it either.
- elevaet 5y ago
  > but you don't need to eat sugar I made no such claim, agreed. It is definitely possible to survive and thrive without eating sugar. > No it isn't But it _is_ valuable, nutritionally speaking. Sugars have great value to our bodies, which is why we seek them. Sugars are an abundant source of calories and our ancestors who are honey, fruits, vegetables, roots and so on had a survival advantage over those who didn't access these foods. Nowadays the game has changed, but sugars are still highly valuable to our bodies. It's why athletes still carb load and take gels etc when they're performing. You don't see Olympians taking olive oil or meat mid race.