Metabolism is the process through which the body converts what a person eats into energy. Catabolism is the breakdown of molecules to obtain energy and anabolism is the synthesis of all compounds needed by the cells.
After 30, gaining weight becomes easier and losing it harder. The foods you enjoy suddenly seem to stick to your waistline. This is because losing muscle slows down the body’s natural calorie-burning ability. Adjusting to new routines, such as consuming fewer calories because the metabolism is slowly declining and lifting weights to build muscle as we get older are facts of life.
Your metabolic rate is determined by many factors, almost all of which can be controlled as people age. They can’t do anything about their DNA or height, for example, but this is not the case for weight, muscle and fat.
A lot of people blame (or thank) their metabolism – whether slow (or fast) – for their weight gain (or loss) or inability to slim down. If you think that “you can’t do anything about your metabolism because it is what it is,” you’re wrong. There’s plenty that’s up to you.
The vital process is dependent on everything from the types of foods you eat to the amount of sleep that you get each night. But the speed also has to do with your liver, vitamin D levels, and even posture.