Malaysia's political stability and economic prosperity have contributed towards its growing population comprising of residents and an influx of laborers from other countries including Indonesia, Bangladesh and Myanmar. Malaysia now hosts a population of 32 million from which an estimated 3 million are migrants that support the agricultural and electronic sectors. This book highlights the current health related issues in Malaysia including those zoonotic diseases and non-communicable diseases that are unique and common to tropical countries. Other environmental factors that have positive and negative impacts on health such as medical constituents from local plants are also discussed.