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Global warming is increase in temperature of the earth surface, warm temperature will deactivate the use of brown fat in the body.
Diabetes occurs when the amount of sugar in the blood is too much because the body cannot use it properly.
If the global warming continues it may increase diabetes by making brown cell inactive for a long period of time.
Brown fat is very active in winter, when the temperature is cold. People with type 2 diabetes can be expose to cold regularly to improve the use of insulin. It can also leads to production of new brown fat cells in the body.