Health means different things to different people. For some, being healthy means feeling fit and being able to lead active lives. For others, health simply means survival. Health and Disease examines some of the major issues that people face around the world. Find out about diseases such as cholera and malaria, which are devastating populations around the world. See how pollution and overcrowding are contributing to poor health. This book also suggests how people can take control of their lives to ensure a healthy future.