Today I found out that why bathing was uncommon in Medieval Europe.
Before the Middle Ages, public baths were very common, as was the general public regularly taking time to bathe in one way or another. Even during the 4th and 5th centuries, Christian authorities allowed people to bathe for cleanliness and health, but condemned attendance to public bath houses for pleasure and condemned women going to bath houses that had mixed facilities. However, over time, more and more restrictions appeared. Eventually, Christians were prohibited from bathing naked and, overall, the church began to not approve an “excessive” indulgence in the habit of bathing. This culminated in the Medieval church authorities proclaiming that public bathing led to immorality, promiscuous sex, and diseases.