Pediatric neurological disorders span a broad spectrum, according to Continuum Health Partners. Disorders can include epilepsy, muscular dystrophy, cerebral palsy, autism, ADD, movement disorders and cerebrovascular stroke.

According to 2105 data from the Centers for Disease Control and Prevention, Alzheimer disease (AD) is the sixth most common cause of death in the United States. AD describes a progressive degeneration of the gray matter of the brain, which controls thinking, memory, movement and sensation.

For some headache sufferers, the one place in which they often assume they are safe--their own home--is actually the site triggering their headache pain. Whether they contract an infection from a pet or the problem is a family member smoking indoors, headaches can take root under their own roof.

Pressure headaches are the most common types of headaches. They can occur when something such as mucus, blood, or cerebrospinal fluid buildup and causes increasing pressure. A growing tumor in the brain can also cause such headaches.

Headaches in the back of the head may be caused by a variety of ailments and injuries. Chronic headaches in the back of the head -- also known as occipital headaches -- are often variants of tension-type headaches or migraines. New-onset occipital headaches are a more urgent concern.

Muscles are comprised of many individual fibers, in much the same way a rope is. When these fibers are stimulated, the muscle contracts. If there is a force acting in opposition, such as a weight, the fibers stretch, increasing tension.