▶ A popular breakfast in Japan includes natto. Natto is fermented soybeans. It has a particular smell and a slimy texture. It might look scary, but it is safe to eat.
▶ In the past, natto was popular only in Eastern Japan and was often hated in Kansai. However, it became popular all over Japan in the 90s (nineties) as a healthy food.
▶ Natto is made from soybeans and has isoflavones, which are said to help balance female hormones. It also has proteins and vitamins. They say natto is also good for high blood pressure.