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What is Science Based Fitness?

Your free- source of information, news, and deep dive into the latest science in the world or fitness and health. We dive deep into the literature and debunk a lot of fake claims. Also, providing helpful tips and workouts to improve your health and quality of life. 




Low carb/ keto/ atkins, and now carnivore all promote weight loss, but is it truly weight loss or loss of weight from water and muscle? 


Do carbohydrates make us fat and do low carb diets work? 

Low Carb- High Fat

Do carbohydrates make us fat?

Simple answer is no, carbohydrates do not make us fat. A surplus of calories will make us gain weight, but carbohydrates alone will not. Of course there’s carbohydrates and BETTER carbohydrates. When carbohydrates are processed, the contents are normally isolated and stripped of fiber. Also known as refined carbohydrates, refers to the processes of removing fiber and other nutrients from the source for sugar.  Fructose and sucrose are the different types of sugars, and the body processes them differently. For example, an apple is very different than a bread although the carbohydrates might be the same. An apple contains fructose, fiber, and phytonutrients to slow the rate for your body to break down and turn into sugar. 


Carbohydrates and Fat

Two primary sources of energy for the body is fat and carbohydrates. The debate on whether low carbohydrates diets are superior to low fat diets are anecdotal. The data shows a reduction in calories from either source yields the same weight loss. In some models, a low fat diet lost a bit more weight the longer the diet was enforced. There’s the thermal affect of macronutrients and their contribution to weight gain.  Protein and carbohydrates contain 4 calories per-gram whereas fat contains 9 calories per-gram. Foods high in fat will naturally contain more calories than foods higher in protein and carbohydrates. The family of carbohydrates includes both simple and complex sugars. Glucose and fructose are simple sugars whereas starch, glycogen and cellulose are examples of complex sugars. 

The problem most people experience is high fats and high carbohydrates in combination can lead to more fat gain then adjusting or compensating for each source of energy. To further expand on this topic, a lot of processed foods contain high fat and carbohydrates, which leads to a calorie surplus. For example, foods like French fries are a starch fried in fat, and when you add more fat from cheese and meat in loaded fries, then you have a metabolic disaster. Of course, it tastes amazing because we’re naturally attracted to those types of foods. Fat metabolism is the oxidation of fatty acids to generate energy or form new fats from smaller molecules. Fat and carbohydrate metabolism are associated for products of glucose and can be converted into fat. 

Data shows that weight loss occurs by reducing calories from all sources of macronutrients.