A brain aneurysm occurs when one of the arteries within the brain abnormally bulges outward. It is also called a cerebral or intracranial aneurysm. A brain aneurysm can rupture and lead to a stroke, brain damage and death. To help prevent...
A cerebral aneurysm occurs as a result of a weakened blood vessel in the brain that leads to the protrusion of the vessel wall. The rupture of a cerebral aneurysm, which is also referred to as a brain or intracranial aneurysm, occurs in an...
The pupil, the black spot in the center of the eye, is essentially a hole that allows light into the eye. The pupil enlarges and constricts as the muscles attached to it respond to stimuli such as light, which shrinks pupils. Darkness and stress...
According to The Colorado Neurological Institute, a brain aneurysm, also known as a cerebral or intracranial aneurysm, is an abnormal bulging outward in the walls of the blood vessels in brain. The Colorado Neurological Institute reports that only...
Brain aneurysms occur when a blood vessel wall is weakened and balloons out. These weakened blood vessel wall regions can rupture, causing blood to leak into the surrounding brain area and may result in brain damage or death. Brain aneurysms are...
Blood circulation is essential to the life of the body. It is responsible for the activity that carries gases, nutrients and wastes to and from cells, helping to stabilize body temperature and maintain pH balance. The heart is a pump, carrying...
Whether you are riding in an airplane, a fast-moving elevator, or witnessing a thunderstorm, you have likely noticed a sense of physical discomfort due to changes in barometric pressure. Barometers are instruments which are used to measure air...
Defects in brain vessels, notably arteries, include hardening by atherosclerotic plaque, which narrows carotid arteries and can cause stroke; formation of berry aneurysms, which can rupture causing subarachnoid hemorrhage; deposition of amyloid in...
Normal pressure hydrocephalus is also called adult onset hydrocephalus. It's the abnormal buildup of fluid, cerebrospinal fluid or CSF, within the brain’s cavities--also called ventricles. According to the National Institute of...
Head injuries occur most often in sports that involve body contact, the risk of falling or being struck by a ball. A blow to the head may affect the brain causing a headache, nausea, dizziness, unsteadiness, pressure, blurred vision, loss of...
Caffeine is a harmless drug for most people, and exercise is a positive activity for those who are physically able to incorporate it into their routines. These two practices can usually be combined without any problems -- although caffeine and...
Calcium deposits on the brain or cranium calcification are more common than one might think. They are caused when calcium in the bloodstream is not absorbed by the body and is deposited on the brain. There can be many different causes of calcium...
Hearing of a case of meningitis can evoke fear, especially when a daycare, school or college is involved. Meningitis symptoms include high fever, headache, neck stiffness, nausea and vomiting. and often appear suddenly. Individually, these...
An aneurysm is a bulge or ballooning of the wall of a blood vessel. This can occur in several of the body's arteries including the carotid arteries in the neck, which carry blood to the brain, as described by the Cleveland Clinic. An aneurysm in...
