Posts Tagged ‘metabolism’

Energy Metabolism and You

Tuesday, August 4th, 2009

Energy metabolism is a series of chemical reactions that transform food into energy.  Only 20% of this total amount of energy is retained by our body around twenty percent, the rest of it being used to function or released as heat. As you may have noticed, when going to the gym and working out our bodies heat a great deal especially if we try our best to exercise correctly and follow the instructor’s guidelines precisely. That heat that our body gives away results from energy metabolism.
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To better understand energy metabolism, one needs first to grasp the role of ATP in our bodies. ATP which stands for adenosine triphosphate is a chemical compound that is responsible for the huge amount of energy that our bodies supply on. For example, during hard physical exercise we may reach a level at which we simply stop functioning in an optimum manner and this is where ATP comes into the picture. This chemical compound is broken down and used as fuel to help the body function at the required parameters even when it is pushed beyond its normal limits. ATP is stored at cellular level and functions like money in our society as it helps the cell grapple with requirements of decent functioning.
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So, energy metabolism is strongly connected to the cells’ ability to rebuild ATP after they have already broken it down into pieces and used as energy. In other terms ATP serves as food for cells and, naturally, once that food is consumed, they need new supplies. To put it in different words, cells need to rebuild themselves the molecules of ATP which they need to use not only at the beginning of intense physical activity but also throughout it.
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As it may be deduced from above, energy metabolism is the opposite of fat metabolism. The latter of the two is responsible for obesity within a human body and is usually associated with certain fatty and junk foods that people faultily include in their diets. In addition, the enemy of energy metabolism is lack of physical exercise. Canada and many other countries have started focusing on energy metabolism to understand how a human being can stay healthier and more active over longer periods of time. Research is conducted to understand how energy is stored at cell level and later used. These studies will most likely help in establishing healthier and healthier food diets that will preserve a raised energy metabolism in our bodies.

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You and Drug Metabolism

Tuesday, August 4th, 2009

Drug metabolism consists of the sum of the biochemical processes through which medication is transformed by enzymes into substances that can be absorbed in the body system. The passage of the drugs through the body is very important for the very effect expected from a certain treatment. The very structure of the medications is pharmaceutically designed to correspond as well as possible to certain organic transformation that occur in the digestive tract, in the bloodstream and at the cellular level. The very fact that drugs are metabolized similarly leads to the appearance of interactions or reactions when more than one medication is administered.
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The liver is the organ that answers for drug metabolism, although the ability to metabolize drugs is specific to any living biological tissue. This liver function is more intense because of the high concentration of enzymes that are secreted at this organ level. When the pharmaceutical substance enters the hepatic circuit, the drug metabolism is at its highest. Yet, there are other body parts that are also involved in drug metabolism: the kidneys, the gastrointestinal (GI) tract, the lungs or the skin. The only problem is that in most such drug metabolism cases, the toxicity reactions are more intense and numerous.
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Drug metabolism can vary depending on some pathological and physiological factors, and these need to be taken into consideration when a specific medication is prescribed. Thus, besides individual specificity that has an important part to play in drug metabolism, age, nutrition, sex differences and the condition of the intestinal flora also make important factors that influence the reaction to medication or the body response to a certain drug treatment.
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Among the pathological factors that could influence drug metabolism, the most common of them include heart, kidney and liver diseases. Therefore, it is of paramount importance that you inform the doctor on any health condition that you may suffer from. Moreover, before any drug administration, don’t forget to mention whether you are on any medication, because interactions with very serious consequences may appear.

Last but not least, although it may seem unimportant or irrelevant for a patient, some knowledge on drug metabolism could help you understand how medication works on the body system. Moreover, it could help one prevent or minimize some nasty side effects.

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There Is No Substitute For Good Nutrition

Saturday, July 25th, 2009

A very important health hazard that the world faces today is from obesity and overweight. The overweight population is prone to a variety of health problems such as cholesterol, heart problems, diabetes and high blood pressure. High calorie intake combined with low physical activity is considered as the most common cause of obesity. Obesity and overweight are most common in the rich countries of the world as well as the affluent class in the developing world. It is seen that the poorer sections in the affluent countries too are afflicted with this condition. This fact, amongst others, indicates that the problem is actually a lifestyle problem. The low physical activity and the kind of food that are consumed together cause the problem.

The food that is available and consumed in urban areas have undergone rapid change. Processed food has come to replace fresh food. They have become associated with the urban lifestyle. Processed food is moreover in tune with the busy urban life. Some of them are ready to eat while others need very little preparation. The processed food is cheaper, available and easily accessible. They have also come to be called junk food or fast food. Generally, they are rich in sugar and fat, and also contain additives. While the affluent sections in richer countries eat both high calorie food as well as processed food, the poorer sections consume more of the processed food which is low in nutrition but high in calories. The affluent in the poorer countries also consumes high calorie food as also increasingly the processed food. Combined with sedentary life style precipitates accumulation of fat. Obesity, however, is also known to be caused by eating and genetic disorder.

Increasing number of obese population has also led to the expanding market for weight loss program. The market is abuzz with newer and newer products and programs guaranteeing effective weight loss. But all this can be quite confusing to someone on the look out for effective weight loss program. It will help if you are able to assess the cause of your problem, may be from a specialist, and about the weight loss products and programs. The World Wide Web is indeed a major source for information. There are many books that give you information both on the weight loss programs as well as on the problems of obesity as Lose Your Belly Fat, GI Diet and HCG Diet Guide.

But in the long term it is necessary to make changes to the lifestyle. People are becoming more health conscious. Already the market for organically cultivated food is increasing. The ill effects of fast food are well known. Consumer tastes are swinging towards more nutritious food.

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How I Lose Weight + Food Tips

Wednesday, August 13th, 2008

Here’s the low-down on what I’m doing to lose weight and how it works.

1. Figure out what your “maintain weight” calories are and eat 500 calories LESS than that number every day.

2. Exercise for at least 30 minutes, 5x/week.

3. Drink water! Divide your weight in half and drink that number in ounces of water every day.

(4. Make healthier choices as you go along and get better at doing steps 1-3.)

FROM THE VIDEO:

The salad is:
1 Bowl of Romaine Lettuce and Spinach
2 Tbsp Light Vinaigrette Dressing
1/2 Tomato, sliced
1/4 Cucumber, peeled and sliced
1/4 Cup Garlic Feta Cheese
= around 110-130 calories :D

YUM!

Green Tea (and similar Asian teas), English Breakfast Tea and Irish Breakfast Tea need no sweetener if you use 1 Tsp of lemon juice instead (0 calories).

Vanilla chai (and decaf vanilla chai), peppermint tea and bangal spice teas all also need no sweeteners or additives of any kind.

If you have questions, feel free to ask!

Duration : 0:10:15

(more…)

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