For the life of me I can't find anywhere to buy a 30 x 20 fixed-bar return grille.
Chronic intracranial hypertension can be caused by many conditions including certain drugs such as tetracycline, a blood clot in the brain, excessive intake of vitamin A, or brain tumor. It can also occur without a detectable cause. This is idiopathic intracranial hypertension (IIH). Because the symptoms of IIH can resemble those of a brain tumor, it is sometimes known by the older name pseudotumor cerebri, which means âfalse brain tumor.â.
In most cases of high blood pressure (hypertension), there is no known cause. About 6% of the time, however, high blood pressure is caused by another condition or disease. When this happens, it is called secondary hypertension. Most of the conditions that cause secondary hypertension involve the overproduction of one of the body's hormones. Kidney disease.