Updated: Nov 14, 2020
In 2015-2016, The prevalence of obesity was 39.8% and affected about 93.3 million U.S. adults. Obesity among children and adolescents is still higher. Obesity leads to metabolic syndrome and lifestyle-related diseases. If you are in the U.S, the probability of being obese is almost 50%. The U.S contributes 70% of the adult obesity among all other nations included.
What is the weight to be considered obese?
When a person's BMI is between 18.5 to 25, it is the ideal weight. Below this is considered under-weight. When BMI reaches 25 and below 30, he is considered overweight. If it reaches 30 and above, he is considered obese. Refer here to know more about BMI.
How can obesity be caused?
Consuming more calories than the requirements for daily activities adds up and results in obesity. The general causes include one or many of the following.
High intake of fat and Carbohydrates
Insufficient sleep triggering the hormones for excess food intake.
Age: slows down the metabolic rate
Pregnancy: not losing the weight gained during pregnancy.
According to healthline.com, the health-conditions like poly-cystic ovary syndrome, Prader-Willi syndrome, Cushing’s syndrome, hypothyroidism, osteoarthritis.
Quitting smoking may sometimes cause over-weight.
Medications like steroids and birth control pills.
What obesity can lead to?
Obesity may lead to one or many of the following diseases and most of them are responding after weight reduction.
Coronary artery disease
Non-alcoholic fatty liver
sleep apnea and other breathing problems
It is also to be noted that not all obese patients develop complications.
Who is most at risk for obesity?
According to S.D.H. Malnick, H. Knobler; The medical complications of obesity, QJM: An International Journal of Medicine, Volume 99, Issue 9, 1 September 2006, Pages 565–579, https://doi.org/10.1093/qjmed/hcl085, the following persons are at a high risk of developing complications.
Clinical characteristics of the ‘high-risk’ obese patient
Abdominal obesity (increased waist-hip ratio)
Low physical fitness
High triglycerides and low HDL-cholesterol levels
High fasting insulin levels
High fasting glucose levels
Coronary heart disease