Myasthenia Gravis - is a neuromuscular disease leading to fluctuating weakness and fatiguability. Myasthenia Gravis is a latin term meaning grave muscle weekness . This disease is famous as an autoimmune disorder. Being so widely known, doctors have researched and found out many of the disease mechanisms and symptoms. In almost all cases, the diagnosed will suffer from massive muscle fatigue when participating in any sort of physical activity. When at rest, however, this symptom will not be evident. Myasthenia Gravis does not favour any particular muscle to fatigue. In fact it has been known to happen to muscles that chew, control eyelid and eye movement, talk, control facial expressions, swallowing, and even sometimes the muscles that control limb and neck movement, as well as breathing. Most people at least suffer from muscle...

A video projector is one of the most important components in the home theater set-up. It can make or break your home viewing experience, so the more you know about this device, the better. A video projector is very similar to a film projector. Like a film projector, it casts an image onto a screen, but it functions differently in that it converts analog or digital video signals into a form that viewers can see. The picture is much clearer and sharper than that produced by a film projector. These days, shoppers can choose from three different types of video projectors, including cathode ray tube CRT , liquid crystal display LCD , and digital light processing DLP models. All have their pros and cons, and some are more practical than others when it comes to day-to-day viewing. Consumers who watch primarily standard, analog TV might...

Often people will look at a thin person and think to themselves; now that person is nice and lean. But is that really always the case. Does being thin have a direct relationship with being lean. In order to answer these questions we must examine what it means to be thin verses what it means to be lean. Now you can define being thin as having a small circumference size. This would be denoted by small waist, arm, leg, and chest diameters as well as a low body weight all in relation to overall height. The definition of being lean however is measured by overall body composition. This would be denoted by a low percentage of body-fat verses percentage of lean mass muscle and bone . You may be surprised to know that thin people quite often are not lean at all. In fact, many thin people have a much higher body-fat percentage than you might...