Obesity does not happen overnight. It develops gradually over time, as a result of poor diet and lifestyle choices, such as: eating large amounts of processed or fast food – that's high in fat and sugar. drinking too much alcohol – alcohol contains a lot of calories, and people who drink heavily are often overweight.

How does a person become a obese?

When it comes to obesity, multiple factors are at play, many of which are beyond your control, including genetics, childhood habits, medical conditions, and hormones. Though becoming overweight or obese may not be a choice and shedding excess weight may be difficult, you can lose weight if you choose to.

Can you be genetically obese?

Science shows that genetics plays a role in obesity. Genes can directly cause obesity in specific disorders such as Bardet-Biedl syndrome and Prader-Willi syndrome. However genes do not always predict future health. Genes and behavior may both be needed for a person to be overweight.