Morning headaches occur with a variety of disorders, including migraine, tension-type headache, sinusitis, and medication and caffeine withdrawal.

It's important to understand the common signs of a stroke, and to ensure anyone with these symptoms seeks immediate medical attention.

Food spoilage is a rapid and inevitable process when you don't take adequate preventative measures. Microscopic organisms feast on food items that you leave unattended. Several traditional and modern techniques allow for long-term food preservation.

Up to 84 percent of people worldwide experience low back pain during their lifetime, according to the authors of a February 2012 review article published in the journal "Lancet." Sciatica is a common form of low back pain that often radiates into the legs.

Fibromyalgia and multiple sclerosis are potentially debilitating disorders that lead to chronic pain. Fibromyalgia is characterized by muscle pain and stiffness, profound fatigue and difficulty sleeping.

Stroke affects approximately 700,000 Americans annually, according to the University Hospital website. A stroke is an abrupt deprivation of the blood flow to the brain due to a blockage or the rupture of a blood vessel in the brain.

A frontal headache is pain in the forehead and, in some cases, the cheeks and bridge of the nose. Headaches in this area may be tension headaches, sinus-related headaches or migraines. With any headache, if the pain is severe or recurring, you should see your physician to rule out illness.

Discovered in 1849, multiple sclerosis (MS) is a neurological disorder in which inflammation occurs in the white matter of the brain and spinal cord, according to the National Institute of Neurological Disorders and Stroke (NINDS).

Muscle twitches are brief, painless, involuntary movements of parts of muscles. Some are visible under the skin, others are just felt. Disorders affecting any part of the nervous system that controls movement, or the muscles themselves, can result in muscle twitches.

Stuttering is a communication disorder that affects around 1 percent of the population around the world. Many factors contribute to a stuttering problem, including genetics, another speech disorder, neurophysiology and family dynamics.

Dizziness is one of the most common reasons people visit their doctor, according to MayoClinic.com. Dizziness refers to feeling faint, unsteady or unbalanced. It can also refer to vertigo, a sensation that the room is spinning. Most causes of dizziness are not serious. It can occur after simply standing up too quickly.

A stroke is a debilitating attack that strikes the brain, but can affect the whole body. A stroke can be caused by a clot or a hemorrhage in a blood vessel in the brain, and when blood supply is cut off, serious damage is done to the brain.