Ependymal cells produce CSF (cerebrospinal fluid) which is located within the ventricles of the brain and in the subarachnoid space that surrounds the brain and spinal cord. Aside from allowing the brain to float in the skull, CSF acts as a cushion againsttraumaand also helps wash away some o...
However, some types of benign bone tumors have a low chance of becoming malignant over time. Benign bone tumors are more common in people younger than 30 years. Most are seen in kids and teens because their skeleton is still growing and developing. Generally, once their bones stop growing ...
Changes in circulation and blood flow or trauma can also cause headache. Changes in brain chemistry may also be associated with headache: Medication reactions, drug abuse and drug withdrawal can all cause pain. Every person is different so the history of the headache is important. Recognizing ...
brain tumors, toxic chemicals (mercury, lead, or ammonia), alterations in pressure within the brain (often from bleeding, tumors, or abscesses), and poor nutrition (inadequate vitamin B1 intake or alcohol withdrawal). These examples do not cover all of the potential causes of encephalopathy but...
Brain imaging and neurological research have shown that migraine activity begins much earlier3 than the onset of a migraine headache.“We know where in the brain an attack actually begins and we know it begins before the pain actually starts,” Dr. Dodick says. “Some patients will have sympt...
There isn't a complete understanding of where anxiety disorders come from. Some causes of anxiety disorders include: Genetics. Anxiety disorders can run in families. Brain chemistry. Some research suggests anxiety disorders may be linked to faulty circuits in the brain that control fear and emotions...
. If a cough is frequent and persistent, it usually indicates the presence of a respiratory infection or an infectious disease that is caused by a virus or bacteria. A frequent cough can also be a symptom of chronic disease, like asthma, bronchitis, and even in some cases, lung tumors....
The average lifespan for a boxer is anywhere from 10-12 years old. Cancer is the leading cause of death in this breed, so it is important to look out for symptoms so it can be treated as soon as possible before spreading. Brain tumors are particularly common for boxers, affecting approxi...
In central diabetes insipidus, the pituitary or hypothalamus is damaged, resulting in issues with the release and/or production of ADH. The pituitary and/or hypothalamus can be damaged due to tumors, head injuries, brain lesions, surgeries, or inherited problems. Case Study Answered Lesson ...
Edema is a swelling caused by fluid accumulation in the tissues of our body. Learn about the different types, causes, symptoms, and treatments.