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Spasticity. generic viagra online canada pharmacy Up to 7 out of every 100,000 people get als. It's more common in men than women, with symptoms usually appearing between the ages of 50 and 75. About 10% of people with als have a family history of the disease. Life expectancy averages 2 to 5 years after diagnosis. Causes of amyotrophic lateral sclerosis what causes als isn't known. Aside from a genetic predisposition in some cases, we don't really understand why the motor neurons are destroyed. One theory is that environmental factors such as heavy metal exposure can damage the nerve cells. Viral infections are yet another factor that may play a role in the development of als. Another theory involves a chemical called glutamate, which is responsible for transmitting many of the messages between nerve cells in the brain. viagra for sale When glutamate isn't removed from the spaces between the nerve cells (called synapses), it builds up and causes an overflow of calcium into motor neurons. buy viagra This eventually leads to destruction of nerve cells. canada viagra online without prescription Motor neurons might also be damaged by free radicals. generic viagra online These molecules wreak havoc in cells and damage genetic material. In some people who have familial als, the gene for a particular enzyme that breaks down free radicals (superoxide dismutase) is abnormal. viagra20 Free radicals might also be linked to environmental factors or excessive levels of glutamate. viagra shipped from usa Symptoms and complications of amyotrophic lateral sclerosis the symptoms of als are caused by the destruction of motor neurons resulting in gradual deterioration of the muscles. viagra20 Muscle atrophy often starts in the hands or feet and moves its way up the arms to the shoulders or up the legs to the hips. viagra online The early symptoms of als include muscle weakness, clumsy hand movements, muscle stiffness, and difficulty performing tasks that require delicate movements of the fingers or hands. Muscular weakness in the legs may cause tripping and falling. As the muscles lose strength, some people experience muscle cramps, twitches, or spasms. viagra quotes When als progresses, more muscle groups become affected, leading to: impaired speech difficulty swallowing breathing problems caused by a weakened diaphragm only motor neurons - and therefore only muscles - are affected with als. Bladder and bowel muscles aren't usually involved, and the disease doesn't affect a person's mind or any of the 5 senses. People remain alert, but often lose the ability to take care of themselves. It can even become impossible to breathe without the help of a respirator. There are several variants of als. viagra for women herbalife Each has different symptoms and a different outcome. Primary bulbar palsy: the initial or predominant symptoms are impaired speech or swallowing. To change this page, upload your website into the public_html directory
Date Created: Wed Mar 21 11:33:59 2012