According to studies done in Britain drinking extremely hot tea every day may increase your chance of getting throat cancer. Another study done in Iran, which reportedly has the largest number of oesophageal cancer patients, shows the results of research done on a big group of 871 people. It was noticed that around 300 people who drank more than a litre of extremely hot black tea in a day were diagnosed with cancer
The study shown that this group had the habit of drinking hot tea above 65 degrees putting them in the high risk zone compared to the others who preferred warm tea below 65 degrees. It was also noticed that those who drank hotter tea, above 70 degrees, bettered their chances of acquiring throat cancer.