Why do you get more calories per gram of Fat than you do Carbohydrates?
BMI
The body mass index (BMI) is an important index for relating weight to height. It is a measurement that is a weight-to-height ratio. It is a better way to see whether our weight is proportionate to our height. BMI, formerly known as the Quetelet index, is a metric used to assess an individual's nutritional status. A high BMI can indicate a high level of body fat. Indeed, knowing our BMI can help us determine any health risks we may face if it is above the healthy range. Adults with a BMI between 25 and 29.9 are classified as overweight; an adult with a BMI of 30 or above is classified as obese; a BMI less than 18.5 is considered underweight, and a BMI between 18.5 and 24.9 is considered healthy.
Obesity
Obesity is when excess fat is stored in adipose tissue resulting in an increase in weight and clusters of health problems like diabetes, cancer, and heart diseases. Mostly high intake of calories gives rise to obesity. Calculating BMI, skinfold test, waist to hip comparison, and screening test are ways to diagnose obesity.
Why do you get more calories per gram of Fat than you do Carbohydrates?
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