A recent study has found that by inhibiting the expression of PDE4B protein, mice can have higher cognitive abilities. Compared to normal mice, the genetically modified mice were able to remember more distant events, and can solve more complex problems. This study, conducted by a Joint Task Force of Canadian and British, was published in the latest issue of “Neuropsychopharmacology”. Phosphodiesterase-4B is a common enzyme in vertebrates. This enzyme is…