Overweight? Five Common Questions.

Weight and weight loss are hot topics.

With so much information (and misinformation) available, sometimes the simplest, most important questions are not asked.

If you are concerned about your weight, here are five basic factors to consider to help you, firstly, to determine if you have a problem, and if you do, to make some positive changes for a happier and healthier you.

Q1: What is My Healthy Weight Range?

Below is a chart showing the ideal healthy weight ranges for an average person's height. This way of measuring - that is, comparing height and weight - is called the Body Mass Index or B.M.I. Your actual B.M.I. figure is calculated like this:

BMI = Weight (kg)
          Height2 (m2)

Note: Remember that this does not take into account factors such as excess muscle, however it is a pretty good guide for almost everyone.

To use it, find your height either on the left or right of the chart, then move your finger sideways through the chart until it meets the line from your current weight.

If you land in the white area, you are underweight. Buff is the normal weight range, peach is overweight and pink is obese.

Image courtesy of Wikipedia
Image courtesy of Wikipedia

Q2: What is a Balanced Diet?

Eating a balanced diet simply means eating a combination of foods which provide your body with the right amount of nutrition. An unbalanced diet means that your food intake is either deficient or excessive in one or more areas.

The reason a balanced diet is important is that it keeps you healthy, energetic and at a weight appropriate to your frame.

These are the basic guidelines when planning meals for your family:

  1. The major part of your diet should be wholegrain and multigrain breads and cereals.
  2. You should eat a lot of vegetables and fruit.
  3. Eat some dairy products and some meat, chicken, fish, eggs or legumes.
  4. Eat only a very small amount of fat, oils, sugar and sweets.

The amount of calories in daily food should only be as much as your body needs. Exercising burns calories, which allows you to eat more food.

It can be helpful to stick a copy of the "Food Pyramid" picture onto your refrigerator for easy reference, and to help educate your family in healthy eating.

Above is a picture of the USDA food pyramid which helps illustrate a balanced diet.
Above is a picture of the USDA food pyramid which helps illustrate a balanced diet.

Q3: How Much Food Do I Need Just To Exist?

Your BMR or Basal Metabolic Rate, is the rate at which you burn calories/kilojoules just existing - that is, the number of calories your body uses when you are lying down and not moving.

By knowing your BMR, you can gauge how many calories/kilojoules you can safely consume in a given time, and not store excess fat.

There are so many factors involved with each individual - not just age and gender, but climate, anxiety, fitness and so on - that it is impossible to precisely measure your BMR.

However, the World Health Organization has come up with a formula so that you can get an approximate indication of BMR.

Imperial BMR Formula
Women: BMR = 655 + ( 4.35 x weight in pounds ) + ( 4.7 x height in inches ) - ( 4.7 x age in years )
Men: BMR = 66 + ( 6.23 x weight in pounds ) + ( 12.7 x height in inches ) - ( 6.8 x age in year )

Metric BMR Formula
Women: BMR = 655 + ( 9.6 x weight in kilos ) + ( 1.8 x height in cm ) - ( 4.7 x age in years )
Men: BMR = 66 + ( 13.7 x weight in kilos ) + ( 5 x height in cm ) - ( 6.8 x age in years )

Contrary to what many people tell you, being overweight actually increases your metabolic rate, because you need more energy to move and maintain your heavier body.

As you begin to lose weight, you will need to adjust your calculations to account for your metabolism slowing down because you are smaller and lighter.

Q4: Exactly What Causes Excess Fat?

Your body needs energy in able to exist. It gets this energy from the calories/kilojoules you put into it when you eat and drink.

If you put in more calories/kilojoules than your body can use, the body stores this energy as fat. If you put in less than your body needs, the body then converts the fat back into energy and uses it.

You use up energy just by being alive - in breathing, keeping warm, your heart beating and so on. The amount of energy you use in just existing is called the Basal Metabolic Rate, or BMR. In an average person, this amounts to about 60% of the energy used.

You then need additional energy to move your body - that is exercise, even if it is just nodding your head. On average, moving your body uses about 30% of the energy you take in.

Finally, you use energy to actually eat, digest and process food. This is called dietary thermogenesis, so called because of the heat generated by this function. This uses the other 10% of energy in an average person.

The trick to controlling weight is to get our bodies into balance. We need to consume just the right amount of calories/kilojoules that the body will use.

To lose weight, we need to consume less calories/kilojoules than the body is using, allowing the body to burn off the excess fat as fuel.

Q5: Do I Have "Fat Genes"?

In April, 2007, for the first time a gene that contributes to obesity was discovered by British scientists.

Those who inherit this particular version of gene are 70 percent more likely to be obese, and one out of six people has the gene, which simply increases the risk of obesity. These people on average have 15 percent more body fat and weigh an average of 3kg more than those without the gene.

As people inherit every characteristic they have, even if a person doesn't have this particular "fat" gene, he or she could still have inherited a larger appetite, a slower metabolism and so on.

So yes, it is quite possible that you and/or I have "fat genes".

The important fact to concentrate on is that even if you are one of those who happens to have a genetic tendency towards obesity, it doesn't mean that you should simply give up.

All it means is that maintaining a healthy weight may be a little harder for you. No, it's not fair, but everybody is dealt certain benefits and certain disadvantages by nature. It's up to us to be responsible for our own bodies, and deal with any issues the best way we can.

Perhaps in the not too distant future, scientists might be able to help us overcome genetic problems by shutting off the responses which cause unhealthy fat gain and retention.

In the meantime, understanding our own bodies and how they respond to food and exercise is the best weapon we have against obesity.

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Comments 2 comments

sunflowersally profile image

sunflowersally 6 years ago

I always found it so interesting to learn that alot of people dont realize that by eating more...you can lose weight! Crazy but so true. Its all about eating the right kinds of food...then you can actually eat more. So many people think not eating is the answer....it actually slows down your metabolism when you dont eat for long periods, thus increasing your weight. A nice piece of fruit or a good protein snack, and eating small meals frequently will boost the metabolism, thus decreasing the weight.


drkathleenfuller profile image

drkathleenfuller 5 years ago from 322 SW Ocean Blvd, Stuart, Florida 34994

Love your hub- and this quote, "Eating a balanced diet simply means eating a combination of foods which provide your body with the right amount of nutrition. An unbalanced diet means that your food intake is either deficient or excessive in one or more areas."

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