Getting food when hungry or having a headache go away is an example of a primary reinforcer. This type of reinforcer is felt, not learned.
Headaches can be caused by a variety of lifestyle factors, including poor diet, stress, tension in the muscles, and inactivity. Although serious underlying conditions such brain tumors are rarely the cause of headaches, a doctor should always be consulted if the headache persists.
When your headache initially starts, it is severe or explosive. Even if you usually suffer from headaches, this is "the worst ever." Slurred speech, altered vision, trouble moving you arms or legs, losing your balance, dizziness, or memory loss could also occur along with your headache. Your headache gets worse during the course of the day.
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