This document discusses hand washing benefits and cleanliness beliefs. It covers three main factors: proper hand washing procedures, disease prevention through hand washing, and the use of hand sanitizer alongside hand washing. It also compares hand washing perspectives and practices in the US (individualist culture with abundant water access) versus India (more collectivist culture where water conservation is important). The document includes an interview with someone from India discussing these cultural differences. Overall, it finds that proper hand washing can significantly reduce disease transmission, but practices vary between cultures based on beliefs and resource availability.