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From Fellrnr.com, Running tips
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* '''Head trauma'''. Head trauma often results in a rapid increase in cerebral glucose metabolism, followed by a prolonged decrease. Administering glucose to patients tends to result in hyperglycemia (high blood sugar) that worsens the outcome. In animal studies, fasting or a ketogenic diet improves tissue preservation, but further research is needed<ref name="Prins2007"/>.
* '''Stroke'''. Because a stroke involves the reduction of blood flow to areas of the brain, the Ketogenic diet may help reduce the resulting damage<ref name="GibsonMurphy2012"/>. Animal studies have looked at the ketogenic diet, ketone administration, and calorie restriction, which all raise ketone levels, and all have shown to be beneficial in animal stroke models<ref name="GibsonMurphy2012"/>.
[[File:Stroke outcome in the ketogenic state.png|none|thumb|500px|The analysis of 19 animal (rodent) studies on the changes in outcome following cerebral ischemia with the ketogenic state. Pathological outcomes included lesion volume, brain water content, and neuronal counts, whereas functional outcomes included all measures of behavior.]]
* '''Altitude Sickness'''. It is possible that the ketogenic diet may help with altitude sickness (Acute Mountain Sickness), but I've found not studies to support this.
=Heart disease=
