This document discusses repetitive strain injuries (RSIs) that can affect computer users. It notes that computer professionals are at high risk of developing RSIs due to repeated keystrokes, mouse use, long hours sitting, and looking at monitors. Common RSIs include carpal tunnel syndrome, back pain, and tendinitis. Symptoms include pain, discomfort, stiffness, fatigue, and visual strain. The document provides statistics on the prevalence of RSIs and notes that improper workstation setup, poor posture, and lack of breaks can be contributing factors. It promotes prevention through ergonomics, physiotherapy, acupuncture, and proper posture and habits.