This document discusses unsafe practices and their impact on oneself and others. It defines key concepts like nutrition, immune system, and psycho-social factors. It then lists some common unsafe practices like substance abuse and risky behaviors. The document emphasizes that engaging in unsafe practices can stem from low self-esteem or lack of self-respect. It also provides guidance on preventing the spread of COVID-19 through practices like social distancing, hand washing, and following public health regulations and recommendations.