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3. DEFINITION :is a term used to describe aching or pain that occurs in one or more areas of the head, face, or neck. Headaches involve the network of nerve fibers in the tissues, muscles, and blood vessels located in the head and at the base of the skull. Causes: Headaches are thought to be caused by changes in chemicals, nerves, or blood vessels in the area. These changes send pain messages to the brain and bring on a headache.

4. 1.too little sleep or sudden changes in sleep patternssleep 2.skipping meals 3.becoming dehydrateddehydrated 4.being under a lot of stressstress 5.having a minor head injury 6.using the computer or watching TV for a long time 7.vision problems 8.Menstruation 9.taking a long trip in a car or bus 10.listening to really loud music 11.smelling strong odors such as perfume, smoke, or fumes 12.drinking or eating too much caffeine (in soda, coffee, tea, and chocolate)caffeine

5. About 5% of school-age kids and at least 10% of teens get migraine headache. (recurrent headaches with additional symptoms. ) Migraine headaches can cause the following symptoms: pounding, throbbing pain or dull, steady pain on one or both sides of the head Dizziness Stomachaches nausea and/or vomiting seeing spots or halos sensitivity to light, noise, and/or smells Most migraines last anywhere from 30 minutes to several hours. Some can last as long as a couple of days.

6. Definition: a temporary loss of normal brain function! When a person gets a head injury, the brain can slosh around inside the skull and even bang against it. This can lead to bruising of the brain, tearing of blood vessels, and injury to the nerves. Causes: People can get concussions from Falls car accidents, biking physical violence Sports injuries.......... Treatment: REST and see a DOCTOR!!!! Guys are more likely to get concussions than girls. Life Changing Animation

8. 1. feeling dazed, dizzy, or lightheaded 2. memory loss, such as trouble remembering things that happened right before and after the injury 3. nausea or vomiting 4. Headaches 5. blurred vision and sensitivity to light 6. slurred speech or saying things that don't make sense 7. difficulty concentrating, thinking, or making decisions 8. difficulty with coordination or balance (such as being unable to catch a ball or other easy tasks 9. feeling overly tired

9. Definition: A skull fracture is a break in one or more of the bones in the skull caused by a head injury. skullhead injury Causes: Head trauma, Falls, automobile accidents, physical assault, and sports

10. Definition: is damage to the nerves or spinal cord that results in a loss of function such as mobility or feeling. Two types: 1. Complete: the cord can't relay messages below the level of the injury. As a result, you are paralyzed below the level of injury.paralyzed 2. Incomplete: you have some movement and sensation below the injury. Causes: 1.trauma (car accident, gunshot, falls, etc.) 2.disease (polio, spina bifida….etc.).

11. Paraplegia: Complete paralysis of the lower half of the body including both legs, usually caused by damage to the spinal cord Quadriplegia: Complete paralysis of the body from the neck down (arms and legs)

13. Definition: Cerebral palsy is a permanent movement disorder that occurs before birth, at the time of birth or soon after birth. The disorder is caused by an abnormality in the brain. The brain is unable to send messages to the nerves that control muscle movement and, as a result, muscles do not function properly. Cerebral palsy can affect the muscles of the face, neck, trunk, or limbs.

14. Definition: is a general term for conditions with recurring seizures. all involve abnormal electrical activity in the brain that causes an involuntary change in body movement or function, sensation, awareness, or behavior. FACT: About 2 million Americans have epilepsy, including boys and girls and people of all races and ages. (kidshealth.org)

15. (EEG) is the most important tool in the evaluation of patients with seizures. An EEG measures the electrical activity of the brain and is shown as brainwaves on paper which is reviewed by a physician.

16. Definition: is a chronic, often disabling disease that attacks the central nervous system (CNS), which is made up of the brain, spinal cord, and optic nerves. Symptoms may be mild, such as numbness in the limbs, or severe, such as paralysis or loss of vision. The progress, severity, and specific symptoms of MS are unpredictable and vary from one person to another.

18. Definition: is a degenerative disorder of the central nervous system that often impairs the individuals motor skills, speech, and other functions. [1] Deterioration of the midbrain. Causes: Why Parkinson's disease occurs and how the neurons become impaired is not known. However, there is increasing evidence that Parkinson's disease may be inherited (passed on genetically from family members).

19. Symptoms: Tremor (shaking) Slowness of movement Rigidity (stiffness) Difficulty with balance Small, cramped handwriting Stiff facial expression Shuffling walk Muffled speech Depression

20. Definition: an inflammation of the brain, but it usually refers to brain inflammation caused by a virus. It's a rare disease most commonly in children, the elderly, and people with weakened immune systems (i.e., those with HIV/AIDS or cancer) Causes: virus

21. Symptoms: fever, headache, poor appetite, loss of energy, or just a general sick feeling. Severe cases: high fever severe headache sensitivity to nausea and vomiting stiff neck confusion sleepiness, difficulty waking, or unconsciousness convulsions (seizures)

22. Definition: Meningitis is an inflammation of the membranes that cover the brain and spinal cord. Causes: Meningitis is usually caused by a viral or bacterial infection.

23. Symptoms: fever Irritability headache eye sensitivity to light stiff neck skin rashes seizures

24. Definition: is a serious infection of the nervous system that is caused by a virus. Usually transmitted by a bite from an infected animal. Causes: An infected animal has the rabies virus in its saliva and can transmit it to a person through biting. Symptoms: One of the most distinctive signs of a rabies infection is a tingling or twitching sensation around the area of the animal bite. It is often accompanied by a fever, headache, muscle aches, loss of appetite, nausea, and fatigue