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lean DIO mice show no GCGR-driven EE elevation

The risks associated with vitamin B12 deficiency include fatigue, weakness, tingling or numbness in the hands and feet, difficulty walking, and anemia

A new prion controls fungal cell fusion incompatibility

Symptoms include right upper quadrant pain, nausea after fatty meals, and fever if infection develops

First, it is an endogenous molecule: it circulates in human plasma at a concentration of roughly 200 ng/mL around age 20, declining to about 80 ng/mL by age 60, a fall that has been linked, at least associatively, to the general decline in tissue regenerative capacity with age