According to the Centers for Disease Control and Prevention, more than one-third of adults in the United States are obese. If you aren’t actively taking control of your health by exercising and eating a balanced diet full of whole foods, weight gain can and probably will creep up on you at some point or another. In addition to diet and exercise, many other habits you keep can have an impact on weight gain.
Here are seven scientific reasons why you gain weight:
1. YOU WORK THE NIGHT SHIFT
Your body is programmed to eat during the day and sleep at night. Working the night shift can lead to weight gain because it breaks down the body’s natural physiological cycle. The result becomes a decrease in total daily energy expenditure. In other words, you end up burning less calories.
2. YOU AREN’T SLEEPING ENOUGH
Research has shown that lack of sleep causes weight gain. Sleep plays a key role in energy metabolism. When you don’t get enough sleep, you end up eating more. Your body searches for food in order to create more energy to maintain your waking hours.
3. YOU ARE EXPERIENCING ENVIRONMENTAL POLLUTION
Certain environmental pollutants have been shown to increase the risk of obesity. Exposure to these pollutants can cause a build up of contaminants in fatty tissue. These contaminants reach the body through foods that are high in fat, including meat and fatty fish.