The good news is keto means bacon for breakfast, even lunch and dinner if you really want to be a pig. The bad news is keto means no breads, no pasta, no bakery items and no joy. Ok, the last may not strictly be true.
No strange sorcery this: Ketosis is a naturally occurring metabolic phase wherein the body burns stored fats for bodily functions as opposed to its usual fuel of glucose, derived from carbohydrates.
Ergo, a Ketogenic Diet cuts the consumption of carbohydrates to a minimal, or even zero, amount, while including a high amount of fat and some protein. While it may seem counter-intuitive to eat fatty foods in order to lose weight, there is a logic to this Kafkaesque consumption.
Ketogenic diets were initially developed as a means to treat epilepsy, because well, science. Without getting into the mechanics of it all, diet has been associated with seizures since the times of Classical Antiquity. Essentially, when the body uses stored fat for energy, it leads to the release of ‘ketone bodies’ in the system.
It takes a few days for the body to adjust to deriving its energy from these ketones instead of the usual sugars, leading to a lowering of blood sugar levels. This is when the body enters a state of ketosis which, when carefully controlled, leads to more efficient functioning in various areas including metabolism, cognition, alertness and cardiac health.