In many parts of the world, the left hand is considered unclean, usually because it's used for “ablutions”. If you're left-handed and visiting places like India, Nepal and the Middle East, you may have to pretend to be ambidextrous – it's incredibly rude to eat, pick anything up or hand over money with your left.

Why is left-handed considered evil?

Why Was 'Left' Considered Evil? The association of the directional left with evil is likely attributed to the dominance of right-handed people within a population, and consequently the awkwardness of motions made from the left side of the body.

Why is the left hand considered unclean in Africa?

Left-Handedness in Senegal

The left hand is dirty because, here, there is no toilet paper. Rather, people use water and their left hand to clean themselves after using the bathroom. Thus, it is socially unacceptable to use that same hand to do anything else. Handshakes are done right-handed.