Obesity is defined as abnormal or excessive fat accumulation that may impair health. Simply put, if you consume more calories than you burn, you will gain weight.
How can I know that I am obese?
- Body mass index (BMI) is a simple index of weight-for-height that is commonly used in classifying overweight and obesity in adult populations and individuals.
- It is defined as the weight in kilograms divided by the square of the height in meters (kg/m2).
- BMI provides the most useful population-level measure of overweight and obesity as it is the same for both sexes and for all ages of adults.
- Less than 18.5 Underweight
- 18.5 - 25 Normal
- 25 – 30 Overweight
- 30 or more Obesity
The basic cause of obesity and overweight is an energy imbalance between calories consumed on one hand, and calories expended on the other hand:
- A global shift in diet towards increased intake of energy-dense foods those are high in fat and sugars but low in vitamins, minerals and other micron nutrients.
- A trend towards decreased physical activity due to the increasingly sedentary nature of many forms of work, changing modes of transportation, and increasing urbanization.
Overweight and obesity lead to serious health consequences:
- Cardiovascular disease, mainly heart disease and stroke.
- Musculoskeletal disorders.
- Some cancers (endometrial, breast, and colon).
- Psychological problems.
Overweight and obesity, as well as their related chronic diseases, are largely preventable. At the individual level, people can:
- Limit energy intake from total fats and shift fat consumption away from saturated fats to unsaturated fats.
- Increase consumption of fruit and vegetables, as well as legumes, whole grains and nuts.
- Limit the intake of sugars.
- Increase physical activity - at least 30 minutes of regular.
- Avoid activities such as watching television, and get into a regular exercise routine.
- Drink a lot of fluids specially water.