Obesity is defined as a condition in which the excess of body fat that frequently results in a significant impairment of health. At an individual level, obesity is caused by a combination of excessive food intake and lack of physical activity. A small percentage of obesity cases are because of genetic predisposition, or as a complication of an existing physiological disorder such as hormonal problems, or psychiatric disorders. The society also contributes to the worsening problem of obesity. For instance, our society has gained quite an appetite for palatable yet unhealthy convenience foods. Also, technologies and motorized vehicles, make our lives easier, and more sedentary to a certain degree as well.
Obesity-related disorders include ischemic heart diseases, high blood pressure, abnormally high cholesterol and sugar levels, osteoarthritis, and low back pain. Obese individuals are also at higher risk for developing obstructive sleep apnea and some kinds of malignancies. Obese women are also more prone to experience complications when they are pregnant, and their children, more prone to have defects at birth. From these examples, it can be gleamed that obesity complications arise from multiple organs, and thus can not only shorten one?s life expectancy, but also adversely affect one?s quality of life.
The most recommended weight loss methods remain to dieting and exercising because they are the least intrusive. Before starting this weight loss regimen, you have to answer this question first ? how many calories should I eat a day? There is no one answer that applies to everyone though as our inherent individual differences with regards to metabolism and physical activity levels determines how many calories we have to eat. When you ask a dietician the question of how many calories should I eat a day, he or she will likely use the Harris-Benedict formula. You may also make use of calorie calculators widely available on the Internet to determine how many calories you have to consume to facilitate weight loss.
In dieting, quality is just as important as quantity. Hence, you should steer clear of foods that are merely empty calories. These foods have high concentrations of saturated and trans fat, salt, and tend to have high glycemic index as well. You should also take in more negative calorie foods. They are known by such a moniker because these food items burn more calories to be digested, than what they actually contain. Negative calorie foods include celery, apple, and salad greens.
In order to lose considerable weight, you need to increase your physical activity as well. You have to do move more as well. Alternatively, you can engage in planned exercise. Just remember to spend at least 300 minutes for cardiovascular exercises. To help increase your metabolism and tone your body, it would be good to do resistance training on two or more days of your week as well.
To shed excess pounds, you should be mindful of your calories. Bugged by the question ?how many calories should I eat a day?? Go here for a computation of how many calories you should take in daily.
Source: http://newhealthandfitness.org/2012/03/04/a-look-at-obesity-its-causes-and-known-complications/
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