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Risk of Developing Malignant Mesothelioma.

Wednesday, January 27th, 2010

Exposure to asbestos can affect the risk of developing malignant mesothelioma.

Anything that increases the risk of contracting a disease is called a risk factor. Having a risk factor does not mean they will suffer from cancer, not having risk factors does not mean that you will suffer from cancer. People who think they are at risk should discuss with your doctor.

Many people with malignant mesothelioma have worked or lived in places where they inhaled or swallowed asbestos. After exposure to asbestos, it usually takes a long time until it manifests malignant mesothelioma. Other risk factors for malignant mesothelioma include:

  • Living with a person who works near asbestos.
  • Being exposed to certain viruses.

Possible signs of malignant mesothelioma include shortness of breath and pain under the rib cage.

Sometimes the cancer causes fluid to collect around the lung or abdomen. These symptoms may be caused by the fluid or malignant mesothelioma. Other disorders can cause similar symptoms. Call your doctor if any of the following problems:

  • Shortness of breath.
  • Pain below the rib cage.
  • Pain in the abdomen or inflammation.
  • Lumps in the abdomen.
  • Weight loss for no known reason.
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Asbestos Causes Lung Cancer

Monday, January 25th, 2010

Asbestos is known as one of the most carcinogenic substances that exists within the workplace and is the direct cause of lung cancer, asbestosis and the lung mesothelioma. Because these cases presented legal problems facing many companies sued by the same workers who have contracted this disease.

Effects Of Asbestos

The devastating effects of asbestos known as asbestos are well known from earlier times, it is estimated that workers exposed to this mineral are 6 times more likely to suffer lung cancer than the general population.

Lung Cancer

Workers are mostly exposed to asbestos or asbestos, are working on demolition of houses or buildings, mining or working in factories using asbestos. People living near these sites are also prone to suffer any of these diseases like lung cancer.

Asbestos is a direct cause of lung cancer

Prohibition of the Use of Asbestos

Although the use of asbestos has been banned by members of 15 European countries, this remains a potential problem for the future. An estimated 14,000 people the death of workers who have been exposed to asbestos within 5 years in Japan and 98,000 in France in 22 years. Unfortunately, many countries still use this material to be of low cost and their huge profits in the industry, excellent insulation, fire resistance, etc. Asbestos is also used in the manufacture of brakes and clutches for cars and for the manufacture of tile. Asbestos is classified as a major cause of work-related death, especially lung cancer. We hope that many countries benefiting from the global ban on asbestos use, as they are shown the fatal consequences that can cause to health.

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How to Keep your Teeth & Gums Healthy

Saturday, January 23rd, 2010


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Difference Between Mesothelioma & Lung Cancer?

Friday, January 22nd, 2010

What is the difference between mesothelioma and lung cancer?

The easiest way to understand the difference between lung cancer and mesothelioma is that lung cancer is in the lung tissue, while pleural mesothelioma occurs in the layer of tissue lining the outside of the lung.

Smoking is considered the primary cause of lung cancer, and asbestos as the primary cause of mesothelioma. Asbestos can also cause lung cancer. Smoking does not cause mesothelioma. People who have been exposed to asbestos and who also smoke have up to 90 times more likely to be affected with lung cancer than those who do not smoke.

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Diagnosis & Treatment Of Mesothelioma Cancer

Thursday, January 21st, 2010

Diagnosis

The diagnosis of pleural mesothelioma is typically based on these symptoms and the results of a further physical examination. Chest X-rays, CT scans and MRI scans are commonly used for diagnosis, and also help determine an appropriate treatment plan, because these procedures show whether the cancer has spread from its point of origin.

The diagnosis is confirmed with a biopsy needle, tissue biopsy, or both. During a needle biopsy, fluid is removed from the area and then analyzed for the presence of cancer cells. A biopsy of tissue generally involves a relatively noninvasive surgical procedure called laparoscopy, in which a small piece of tissue is removed from the affected area to be analyzed for the presence of malignant cells.

Treatment

Due to the nature of mesothelioma, it’s common that a diagnosis is not made until the cancer has progressed to a stage where curative treatment is not possible. Most treatments for pleural mesothelioma are palliative and are made to encourage the symptoms and improve quality of life for patients. Treatment options are limited to conventional surgery, chemotherapy, and radiotherapy. In cases where curative surgery is attempted, the patient must be healthy not to have cancer, and disease should not have spread beyond its point of origin. In such cases, part or all of a lung may be removed.

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Types of Mesothelioma Cells

Wednesday, January 20th, 2010
Types of mesothelioma cells
Your doctor or medical history may refer to “cell types” of mesothelioma. This refers to the types of tissue where the cancer first developed. For example, mesothelioma “epithelial” refers to cancer cells that develop in the epithelium, which is the membrane lining the lungs, heart and abdomen. However, mesothelioma “sarcomatous” occurs in connective tissues. The term “biphasic” refers to mesothelioma develops in two distinct types of cells. Other types of cells are linfohistiocitoide and desmoplastic mesothelioma.

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Pleural Mesothelioma is the Most Common Type of Malignant Mesothelioma

Tuesday, January 19th, 2010

Pleural Mesothelioma is the most common type of malignant mesothelioma. About two-thirds of people diagnosed with pleural mesothelioma have type. This form of mesothelioma affects the cells in the pleura, the name given to the lining of the lungs and chest cavity. The pleura has two layers: the parietal layer (an outer layer that covers the chest cavity and diaphragm) and the visceral layer (an inner layer that covers the lungs).

Exposure to Asbestos

People who are exposed to asbestos inhale asbestos fibers that enter the lowercase pleura of the lungs. Once in the lungs, asbestos fibers cause changes in pleural cells making them cancerous.

Pleural Mesothelioma Symptoms All forms of mesothelioma are particularly dangerous because two or three decades may elapse between exposure to asbestos and the onset of symptoms of cancer. Also, the first symptoms of mesothelioma are not specific and these symptoms often resemble those of a simple viral infection that is not very dangerous.

Pleural mesothelioma symptoms may include:

  • A persistent cough, difficulty breathing or swallowing, coughing up blood
  • Weight Loss
  • Fever or night sweats
  • Inflammation of the facial area
  • Shortness of breath even while resting
  • Severe chest pain, or pain in the rib area
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WHAT IS THE TYPE OF EXERCISE MORE EFFECTIVE ?

Monday, January 18th, 2010

Paraplegic subjects unable to walk have a 40% decrease in BMD within the pelvis and 25% in the lower limbs after a year of detention. Patients undergoing spaceflight or the absence of gravity have a 0.5% loss of bone calcium per month. It is unclear if this negative balance of bone is the result mainly due to increased absorption or a decrease in training. It has been shown that passive mechanical stress on bone of a paraplegic may decrease bone loss.

On the other hand, several studies have shown that athletes have between 25 and 30% more BMD than a commonplace subject with normal activity, including overhead activities including walking have a greater impact on bone than those who are swimming or cycling. Postmenopausal adult women subjected to work overload after 9 months the lumbar spine increased by 1.6% while the control women have decreased by 3.6% from baseline. In children under stress and impact activities have increased both in femoral neck BMD as radio, trochanter and lumbar spine.


In a longitudinal study in which 22 young cyclists were subjected to 10 hours per week of exercise bike for 2 years, BMD was lower than control subjects. All this helps to understand that only the high-resistance exercise and short-term impact stimulates BMD and that this effect is local and not systemic thing that becomes clear when we see that the cortical area of the humerus of the active arm of a tennis player holds up to 20% more bone than the contralateral arm

Only women who walked over 10 miles per week were so slight but significant higher BMD than those who walked only 1.5 km per week. Moreover postmenopausal women after 6 months of a program that included jumps, there was an increase of 4% in BMD. Finally do 10 minutes of work load is more productive than 30 minutes without charge for bone mass, this has been clearly demonstrated also in animals.

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EFFECTS OF EXERCISE & BONE?

Saturday, January 16th, 2010

What is the mechanism MEDIATOR BETWEEN THE EFFECTS OF EXERCISE AND BONE?

One of the most important factors related to structural characteristics. The functional demand imposed on the bone is a major determinant in the structural characteristics of this. The intensity of the applied stress on the bone segment affects its geometry, its microarchitecture and composition of the matrix. Definitely the intensity of the burden for the recently described effects is important and not the duration of effort, a minimum strain (a strain is equal to one unit of strength by amending the arquitctura moments bone) is required to produce an effect on bone. It has developed a theory which translate mecanoestatos impact force signals that allow an imbalance between osteoblast activity (which builds bone) and osteoclasts (bone absorbing). It is not clear if that signal increases or decreases osteoblastic activity osteoclastic or both. The strain imposed on the active bone osteocyte initiating an increase in the production of prostacyclin and the osteoblast produces prostacyclin and prostaglandin E2, minutes later it has been shown that the osteocyte is an increase of glucose 6 phosphate dehydrogenase and 24 hours later an increase in mRNA for growth factors.

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At What Age Has an Effect on The Bone?

Friday, January 15th, 2010

First we have to take into account that the growth of bone mass is acquired until the third decade and remains more or less constant until 50 and then begins to decline, there are few studies that have highlighted that the intake of calcium with physical activity completed in the first 30 years of life allows these individuals end up at that age with a higher bone mass, cross-sectional studies have also shown that subjects until 50 years of age who participate in exercise programs have an average between 8 and 12% higher BMD than their peers without exercise, after 50 years this difference is only 6%. In subjects over 50 years has been observed in 1% increments in BMD (4).

26 children under 11 years were subjected to a gymnastics training 3 hours per day and three hours watching television. A second group of the same age was only 1 hour a day of intense exercise and 4 hours of television. We obtained a much higher correlation between BMD and number of hours of exercise in the most active group of both arms and spine. The Amsterdam study on the health and growth habit of life correlated with lumbar BMD at 30 years of age.

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