Numerous studies trying to determine why people are gaining excess weight. Possible causes were found many, and scientists recently discovered another - it's a bad weather. Scottish scientists discover - overcast weather leads to the fact that people are gaining extra kilograms. This happens because the overcast weather the body can not get enough vitamin D. A natural source of vitamin D is sunlight. When his body is missing, declining elaboration hormone leptin, which signals the brain of saturation. As a result, people overeat and gaining weight. Also, the study showed that total subcutaneous fat prevents people get vitamin D from sunlight. Vitamin absorbed fat and remains in it, not entering into the blood. Scientists have advised more food rich in vitamin D, for example, eggs or oily fish. In overcast weather such food shortages will refund you the sunlight.