Thursday, January 20, 2011

Brain diseases

Like all other parts of the body, our brain also have several abnormalities and diseases that are risky. As generally known, the brain is one of the most important part of the body aside from the heart because it is the center of all the nervous system allowing us to sense danger, to think, and have intelligence. The brain also has several components that releases hormones such as the hypothalamus and pituitary gland that regulates other hormone controls and levels.

Here are some of the following diseases of the brain :

*Inflammation of the brain - leads to problems such as vision loss, weakness, and paralysis.

*Stroke - causes the loss of brain cells

*Brain tumors - presses on nerves affecting the brain function

*Alzheimer's disease - a genetic disease which is caused by unknown factors

*Paralysis - inability to control voluntary movements

a. spastic - characterized by muscle rigidity or increase muscle tone (hypertonia) and overactive reflexes (hypereflexia)

b. flaccid - characterized by floppy muscles decreasing reflexes (hyporeflexia) and muscle tone (hypotonia)

*Cerebral palsy - a collection of movement disorders that are not progressive occurring in childhood.

*Subdural hemetoma - a pool of blood between the dura mater and the arachnoid mater in the subdural space caused by head injuries.

*Huntington disease - a progressive genetic disorder causing detrioration of neurons in the basal nuclei and the cerebral cortex.

*Cerebral

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