Sometimes it is difficult to understand how a person eats a large portion, but can keep his weight. Conversely many people who eat a little, but do not go thin.
According to Michael Cowley, Director of the Institute of Obesity and Diabetes Monash University, 70 percent of the factors that make up our body weight are genetic. People who seem to stay slim may have genes that affect appetite management in a way that is different from those who are overweight. Some people's genes encourage them to eat less and feel more conscious when they are full.
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According to research published in 2016 in the International Journal of Obesity Supplements, the brain and the human body have a 'defense level' or a weight point. The point is maintained by the individual's nervous system. The theory is that although most adult individuals will experience some of their weight fluctuations through adult life, they will consistently stay close to the "set point." Diet, environmental factors, and genetic factors can all affect a person's set point, which can adapt to some extent.
People who are very active at work can maintain their weight despite eating a lot. Because their bodies need more calories and also burn more calories throughout the day. Active people and athletes usually have more muscle mass than inactive individuals. Muscle mass burns more calories at rest than body fat.
Another factor that affects body weight is basal metabolic rate (BMR), otherwise known as the number of calories your body burns in a daily resting state. If a person has a high metabolic rate, they may be able to eat more than others and still not gain weight.
Pediatricians Nutrition and Metabolic Disease Consultants Yoga Devaera says people who have eaten a lot but still lean usually have a body that needs high enough energy. "Everyone's metabolism patterns are different, they are used to grow, and if the runway is finished or the puberty is gone, the appetite does not go up, they can potentially become fat, and it is also dangerous if the thyroid hormone grows,
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