This could be from: 1  Obesity. 2  An infection. 3  Some medications or alcohol. 4  Toxins. Certain types of hepatitis.  Autoimmune disease (your body's immune system attacks healthy 1  tissue) Metabolic syndrome (a group of risks for heart disease that includes high blood pressure, blood sugar, and cholesterol levels, and belly  fat)
Tokyo has been seeing its summers grow hotter. In 2004, temperatures in Tokyo topped 86 degrees Fahrenheit for 41 days in a row, a record. The high temperatures in Tokyo during the summer of 2007 averaged around 85 degrees Fahrenheit. The increasing heat has been attributed to global warming, heat island effect and mock El Nino. The heat has placed increasing demands on Tokyoâs power system, as people try to stay cool indoors.
Weather in Tokyo in January. The average maximum daytime temperature in Tokyo in January is a cool 10Â°C (50Â°F). There are usually 6 hours of bright sunshine each day, which represents 59% of the 10 hours of daylight. The average sea temperature in and around Tokyo in January is 15Â°C (59Â°F). Expect 43mm (1.7 inches) of rainfall across the whole of January with 9 days with some rain falling. Maximum UV levels will be low (2 UV index) at midday when the skies are clear. The average night-time temperature is usually a cold 0Â°C (32Â°F).