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Calorie – A calorie is a unit of measurement for energy. By formal definition, a calorie is the amount of energy required to raise one gram of water from 14.5 to 15.5 degrees Celsius at atmospheric pressure.One-thousand calories = 1 kilocalorie, or a for short. Most people use the term “kilocalorie” and “calorie” interchangeably.If you’re new to the field of longevity, you’re in the right place.The best way to learn about the science, start to understand how you can optimize your own life, and stay up to date with the latest research is to subscribe to my newsletter, and listen to my podcast.So when someone says, “A gram of fat has 9 calories,” they actually mean 9 kcals.The important thing to remember is that a calorie (or kcal) tells you – in the case of food – how much energy you get by burning the food. In the “old days” this is how folks figured out the energy content of food, using a device called a calorimeter. Please follow these instructions to fix: Invalid Google API key.
Carbohydrate – Carbohydrates are one (of three) classes of what we call “macromolecules,” the other two being fats and proteins.Our body breaks carbohydrates down into smaller molecules, most of the time into the smallest version possible, and with the aid of insulin aims to store them as either glucose or fatty acids.Fatty acid – Fatty acids are a subset of the sort of waste-basket term “fats.” Specifically, a fatty acid is a chain of carbon atoms with a specific end called a “carboxylic acid.” While fatty acid metabolism and nomenclature is one of my favorite topics on earth, it’s also one of the most cumbersome.Sign up to receive the 5 tactics in my Longevity Toolkit, followed by non-lame, weekly emails on the latest strategies and tactics for increasing your lifespan, healthspan, and well-being (plus new podcast announcements).Alternative Hypothesis Calorie Carbohydrate Fatty acid Glycogen Insulin Insulin resistance Ketosis (or keto-adaptation) Metabolic syndrome Ordered terms Sugar Triglyceride Alternative Hypothesis – Obesity is a growth disorder, just like any other growth disorder, and fat accumulation is not by the balance of calories consumed and expended but by the effect of specific nutrients on the hormonal regulation of fat metabolism.