International researchers have blamed the common pesticide for the global obesity epidemic. Chlorpyrifos is widely used for pest control in most countries of the world and in Russia. Chlorpyrifos reduces brown fat energy intake by 40 calories per day in terms of human energy intake, according to researchers. While this may seem normal, it is sufficient for obese adults. Collecting 40 extra calories a day will result in you gaining more than 2 pounds a year. It was also noted that polluted air can be one of the reasons for weight gain.

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