This document provides guidance on designing effective scientific posters. It recommends including 2-3 main elements such as simple, effective data displays and small blocks of supporting text. Key points to focus on include using large, readable text sizes; high-quality images and graphs; and limiting the poster to key findings, methods, results, and recommendations. The document also suggests choosing 2-3 colors maximum, and testing readability from 1-2 meters away. Effective poster design clearly communicates the research in a visually engaging format.