This document contains information about betel leaves (Piper betle), including its origin in South and Southeast Asia, description, nutritional content, uses, cultivation practices in Bangladesh, health benefits and risks. It notes that betel leaves are commonly chewed along with areca nut and lime. The document also discusses ways to improve the betel leaf industry in Bangladesh, such as creating farmers' associations, direct selling from farmers to shops, new product development, and advertising the nutritional benefits.