Introduction: Obesity, also called excessive overweight, is a condition caused when you eat an excessive amount of food which leads to storing more calories than you burn. These calories are stored as fat1. Obesity can develop from several causes and is usually influenced by genetics. Causes of Obesity: According to the National Institute of Health, the most familiar causes of obesity can be classified into four causes; lifestyle, environmental, hereditary and medical causes2. However, the main cause of obesity in the world is still unhealthy eating. Livestrong, a magazine specializing in health issues, reported that our environment and daily routine influence obesity in the sense that people have become inactive. Inactivity can be based on two factors; physical factors and emotional factors3. Lack of exercise: Technology, which is developing rapidly on a daily basis, is aimed at making people's lives easier by providing passive shortcuts, making them lazy4. This action results in a lack of movement and exercise. Therefore, technology indirectly causes obesity.5. Your surroundings can also affect your health. People stopped buying healthy food due to its unavailability and spending problems.4 They started consuming fast, unhealthy and high-fat meals. This phenomenon is also supported by food companies who encourage this movement towards an unhealthy lifestyle by advertising fast food as more delicious, less expensive and more energetic6. Gender: Statistics have shown that around 31% of women are obese compared to around 18% of men.7 Women are more affected by obesity due to lifestyle. Inaccessibility of safe footpaths, cultural and social factors, child care are some of the reasons that play a vital role… half of the document… Ian syndrome (PCOS) is one of the most common female endocrine disorders. It affects approximately 5-10% of women of reproductive age14. Women who suffer from PCOS often suffer from high levels of hormones called androgens, a steroid hormone that regulates the development of male characteristics-14. This syndrome causes obesity, excessive hair growth, reproductive problems, and other health problems. Conclusion: Obesity is a common condition that affects thousands of people around the world. The causes can range from simply eating too much to not exercising as needed to trying to quit smoking. Treatment of this condition can be as simple as following the right diet or exercise, or a program planned by your doctor. Obesity can be hereditary or be the result of any of the causes mentioned above. It is a serious issue to deal with but can be treated easily.