THE PURSER WELLNESS ENCYCLOPEDIA

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A RELATED COURSEFatigue: asking better questions

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New to this subject? Start with this free introduction.What Causes Chronic Fatigue Syndrome?

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Gene referenceSep 23, 2026

IL18

IL18 encodes interleukin-18, a cytokine that can promote interferon-gamma responses in the appropriate immune context. Its receptor includes components encoded by IL18R1 and IL18RAP.

FacebookSep 21, 2026

MTHFR gene variants can affect how your body processes folate and methylation, key factors in overall health.

MTHFR gene variants can affect how your body processes folate and methylation, key factors in overall health. While they don’t directly cause blood sugar crashes, understanding your genetics, nutrition, sleep, stress, and nutrient status c

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Health BlogSep 18, 2026

The Master MTHFR Protocol Dr. Purser Designed

Your local doctor will likely tell you that MTHFR testing and taking an MTHFR Daily supplement is a waste of money. They might even claim it isn't a real medical issue. After 15 years of hearing this pap, I can tell you they are flat-out wrong . Every day that I run into abject medical ignorance—where medicine arrogantly refuses to bend to the hard truth of proven science—I remember Ignaz Semmelweis. Semmelweis died a broken pauper in an asylum, his life destroyed by the conventional doctors of his generation who refused to accept handwashing. Their dismissive attitude today stems not from mal

FacebookSep 15, 2026

Homocysteine rarely gets the attention of cholesterol, blood sugar, or blood pressure.

Homocysteine rarely gets the attention of cholesterol, blood sugar, or blood pressure. It should. When homocysteine becomes elevated, it has been associated with cardiovascular disease, stroke, cognitive decline, blood clots, and other he

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