Many studies done by researchers have concluded that there are many effects on obese people. Obesity is a condition in which the body fats accumulate in the various part of human body. It’s the one factor can cause various diseases that affect to human health. World Health Organization (2009) reported that 1.6 billion adults were overweight and more than 400 million adults were obese, and at least 20 million children under 5 years were overweight. Garrison RJ et al (2005) found that patients who weigh 140–160% their body weight have the rate of premature death more than normal-weight individuals. Gutterman (2011) found that obesity can affect some diseases such as diabetes, hypertension, cardiovascular risk factors that in turn affect stroke and heart disease. National Institutes of Health NIH Publication (2012) found that pregnant women who are overweight have the risks associated with surgery and anesthesia, and severe obesity increases surgery time and blood loss. Obesity pregnant women can affect to their children after the child is born such as baby might gain too much weight.