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Stages of Sleep
One way that scientists measure sleep is through brain waves, which change in specific ways as you move through the sleep process. Your brain waves change during four basic stages of sleep.
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Sleep/Wake Cycles
How and when you feel sleepy has to do with your sleep/wake cycles. These cycles are set off by chemicals in the brain.
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Concussion
A mild concussion is caused by a blow or jolt to the head.
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How Wounds Heal
Wound healing sounds simple, but it's actually quite complicated and involves a long series of chemical signals. Certain factors can slow or prevent healing entirely.
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Surgical Site Infections
Surgical site infections occur on the part of the body where surgery has taken place.
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Dietary Changes for Celiac Disease
Celiac disease is a digestive disorder that damages your small intestine and keeps it from absorbing the nutrients in food. A protein found in wheat, barley, and rye called gluten is what causes the damage to the intestinal tract.
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Acquired Hemophagocytic Lymphohistiocytosis (HLH)
If you have acquired hemophagocytic lymphohistiocytosis (HLH), your body's immune system does not work normally. Here's what you need to know.
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Nervous System Effects of HIV
As HIV and AIDS battle your immune system, your central nervous system is also affected. HIV and AIDS both cause many neurological complications, particularly if HIV goes untreated and is allowed to progress to AIDS.
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Bone Bruise
A bone bruise is a traumatic injury to a bone that is less severe than a bone fracture.
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