The video discusses unusual practices in Asia, including blackening teeth in Japan historically, China's use of a single time zone despite its size, a custom of cooking eggs in the urine of boys in China, and unique traditions such as tossing babies from a temple in India for good luck, and Japan's metabolic law limiting waist circumference to combat obesity.
1. The practice of blackening teeth, known as "aburo," was common in Japan from the 710s to the 19th century, with the goal of achieving a "pretty" appearance. This was achieved by adding a mixture of iron filings dissolved in vinegar to ingredients such as gall knots or grapes, which changed color when added to teeth .
2. The practice of blackening teeth in Japan was also seen as a sign of loyalty to their Masters among the Samurai class .
3. In China, eggs cooked in the urine of virgin boys under the age of 10 were sold as a delicacy. The eggs were boiled in the urine for almost a day, causing the shell to crack and the egg to cook inside .
4. In India, there is a tradition of throwing babies from the roof of a temple to bring health, prosperity, and good luck to children and their families. The baby is thrown from high above but is caught by a sheet held by monks .
5. Japan has one of the lowest obesity rates in the world, with only 3.7% of adults overweight. This is due to strict weight surveillance and a metabolic law that imposes certain limits on waist circumference for men and women .