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Brain Tumor

Latest News

Exercise in Adolescence May Cut Risk of Deadly Brain Tumor

By Jennifer Thomas
HealthDay Reporter

TUESDAY, Oct. 6 (HealthDay News) -- Exercising during adolescence may help guard against a deadly form of brain tumor in adulthood, new research suggests.

The study also found that avoiding obesity during the teen years was associated with a lower risk of developing the cancerous brain tumors called gliomas, while being tall increased the chances of such malignancies.

The study appears in the Nov. 1 issue of Cancer Research.

Gliomas are the most common type of brain and central nervous system cancers, accounting for 80% of cases, according to background information in the study. Gliomas cause 13,000 deaths in the United States each year.

Learn more about the link between brain tumors and exercise in teens »


Top Searched Brain Tumor Terms:

glioma, malignant, parietal lobe, symptoms, treatments, headaches, glioblastoma, warning signs, aneurysm, brain cancer, brain cancer symptoms

What is the brain?

The brain is a soft, spongy mass of tissue. It is protected by the bones of the skull and three thin membranes called meninges. Watery fluid called cerebrospinal fluid cushions the brain. This fluid flows through spaces between the meninges and through spaces within the brain called ventricles.

A network of nerves carries messages back and forth between the brain and the rest of the body. Some nerves go directly from the brain to the eyes, ears, and other parts of the head. Other nerves run through the spinal cord to connect the brain with the other parts of the body. Within the brain and spinal cord, glial cells surround nerve cells and hold them in place.

The brain directs the things we choose to do (like walking and talking) and the things our body does without thinking (like breathing). The brain is also in charge of our senses (sight, hearing, touch, taste, and smell), memory, emotions, and personality.

The three major parts of the brain control different activities:

  • Cerebrum - The cerebrum is the largest part of the brain. It is at the top of the brain. It uses information from our senses to tell us what is going on around us and tells our body how to respond. It controls reading, thinking, learning, speech, and emotions.

The cerebrum is divided into the left and right cerebral hemispheres, which control separate activities. The right hemisphere controls the muscles on the left side of the body. The left hemisphere controls the muscles on the right side of the body.

  • Cerebellum - The cerebellum is under the cerebrum at the back of the brain. The cerebellum controls balance and complex actions like walking and talking.

  • Brain Stem - The brain stem connects the brain with the spinal cord. It controls hunger and thirst. It also controls breathing, body temperature, blood pressure, and other basic body functions.

Picture of the Brain and Nearby Structures
The brain and nearby structures

Picture of the Major Parts of the Brain
Major parts of the brain



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Brain Tumor - Symptoms at Onset of Disease

The MedicineNet physician editors ask:

The symptoms of brain tumor can vary greatly from patient to patient. What were your symptoms at the onset of your disease?

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Brain Tumor

What is hydrocephalus?

The term hydrocephalus is derived from the Greek words "hydro" meaning water and "cephalus" meaning head. As the name implies, it is a condition in which the primary characteristic is excessive accumulation of fluid in the brain. Although hydrocephalus was once known as "water on the brain," the "water" is actually cerebrospinal fluid (CSF) - a clear fluid that surrounds the brain and spinal cord. The excessive accumulation of CSF results in an abnormal widening of spaces in the brain called ventricles. This widening creates potentially harmful pressure on the tissues of the brain.

The ventricular system is made up of four ventricles connected by narrow passages. Normally, CSF flows through the ventricles, exits into cisterns (closed spaces that serve as reservoirs) at the base of the brain, bathes the surfaces of the brain and spinal cord, and then reabsorbs into the bloodstream.

CSF has three important life-sustaining fu...

Read the Hydrocephalus article »










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