This document summarizes the history and impact of fast food. It discusses how fast food originated in the late 1800s with horse-drawn lunch wagons bringing hot meals to workers. It then provides details on the fast food industry in India, including popular local and international chains. Statistics are presented showing that the global fast food market grew 4.8% in 2012, reaching $102.4 billion, and the industry is growing 41% annually in India. Potential health risks of fast food are outlined, particularly from trans fats. Major fast food companies are taking steps to reduce trans fats in their foods.