What is Obesity? :
Obesity can be said to be the accumulation of excess of the body fat to the extent of creating a negative medical effect on health. People are generally said to be obese when the BMI (Body Mass Index)is greater than or over 30 kg/m2. The BMI of a person is measured by dividing his weight against in kilograms against his height in meters squared.
What are likely causes of obesity? : Obesity is caused in most people, by consuming much food with no corresponding activities to burn off the energy. It ought to be garbage in and garbage out but unfortunately, there is no garbaging out process resulting in being obese. The possible way the energy gained can be burnt off is through any physical activities such as running, swimming, walking and other exercises.
Today Modern lifestyle contributes to a great extent why a lot of people are becoming obese or overweight. In addition, the following also contributes to people adding weight or being obese.
Changing of work patterns (works that involve sitting at a desk most of the day), using technology (cars rather than walking, or cycling), changes in portion size and the built. If you are not active enough, you do not use the energy provided by the food you consume, and the extra kilojoules are stored as fat instead.
Obesity and Kilojoules:
The energy value we get from drink and food we eat on daily is measured in kilojoules (kJ). In order to maintain a healthy weight it is very important to balance the Value of energy (Kilojoules) we get from the food we consume and how many of it do we burn off. However, how many Kilojoules we need per day depends on the following: age, sex, body size, activity level and life stage (for example pregnancy).
Obesity and Style of Living:
Weight gaining does not happen by accident or just overnight, it is built gradually without notice from the way and manner you eat and your personal lifestyle choice. Therefore, it becomes necessary to watch your food intake as it either make or mar your health status. However, the following unhealthy diet decisions could mean a lot of harm to your health: eating processed or fast food high in fat, not eating fruit, vegetables and unrefined carbohydrates, such as wholemeal bread and brown rice, consumption of too much alcohol( alcohol contains a lot of calories, and heavy drinkers are often overweight), eating out a lot, eating larger portions than you need, comfort eating
The impact of Lack of exercise/physical activity on Obesity:
Lack of exercise and physical activity is another important factor related to obesity. Many people have jobs that involve sitting at a desk most of the day. They also rely on their cars rather than take a walk or cycling. When people relax, watch TV, browse the internet or play computer games, and may not regularly exercise that builds up fat. If you are not active enough, you do not use the energy provided by the food you eat, and the extra kilojoules are stored result in fat instead. The need for regular exercises becomes necessary and in some cases up to an hour on most days of the week may be recommended.