Then why do Koreans eat seaweed soup on their birthday?
History of ‘Seaweed soup’
According to <Go-ryeo-do-kyoun>, Koreans ate a lot of seaweed and kelp(gonpo). As such, our ancestors enjoyed seaweed as a meal even before the Goryeo Dynasty.
Efficacy of ‘Seaweed soup’
Even today, mothers eat seaweed soup for 21 days after childbirth.
The seaweed does a great help on contractions and haemostasis in the uterus after birth. Also, it is a very effective food to prevent constipation and obesity that are likely to come after childbirth and to supplement calcium lost to babies during pregnancy. As such facts have been scientifically proven, the status of seaweed has increased to the extent that American hospitals are producing seaweed soup for postnatal health of mothers.
Custom of eating ‘Seaweed soup’ on birthday.
The customs of Koreans eating seaweed soup on their birthday is to thank their mothers every year by eating the same food their mothers ate after childbirth.