Chronic Illness, Fatigue, Other Gene SNPsWhat is Fatigue, And Why Does Everyone Have It?Fatigue, which is a feeling of extreme tiredness, weakness, or exhaustion is the first symptom of almost every medical problem, including MTHFR. It can be linked to almost every body system, and it is the most general symptom we have.… Share with friends:Amy NeuzilSeptember 18, 2023