Cold air does not just make a hungry quickly, but also makes the body burn more calories. That is why scientists believe that cold air can reduce weight. Hunger when cold, usually triggered by changes in body temperature. When the air temperature is colder than body temperature, body will try to make it normal. To create a normal body temperature, it takes great energy from food. Therefore, when the body was in cold regions, the body will burn a lot of energy, thus making rapid hungry.
But according to the pioneers of cold diet, Tim Ferriss, the high energy that burned, actually can be an opportunity to lose weight. “Our bodies want to keep the balance. If you feel cold, your body will try anything to return to normal body temperature, it’s about 37 degrees. One of them is to burn calories. Burning calories is an example,” said Ferriss, writers who promote the thermal diet.
Ferriss who is author of The 4-Hour Workweek and has just released The4-Hour Body said, “Utilization of winter to lose weight, is an example of thermal diet.”. Someone can burn calories by 50% or more with exposing their bodies at a temperature below freezing which can make the body work overtime. “Actually, our bodies has a fatty tissue called Brown Adipose Tissue or BAT. Cold air can trigger BAT to produces heat and burning your fat tissue.” said Ferriss.
Ferriss opinion also received support from the scientists, one of them is Ray Cronise, former NASA scientist. According to him, the environmental temperature can affect weight. Cronise has investigated the effects of temperature on the astronauts andsaid there was prove that cold temperatures can accelerate the body’s metabolism. “In the light environment such as 15.56 degrees Celsius, some people will increase the metabolism by 20%.” said Cronise.
But, Dr David Katz, director and founder of the Integrative Medicine Center and a professor atYale University, has given warning. Extreme cold air like ice bath, can cause complications in people with heart problems or even cause cardiac arrhythmias.
Ferris herself was also noted in her book, the reader should consult a doctor before trying.
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