New research is giving new meaning to the term “fresh blood” and an additional motive to the legend of Dracula. In a recent study, U.S. researchers injected the blood of human adolescents into older mice who would be the equivalent of 50-years-old humans. Suddenly, their memory, cognition, and physical activity improved. “The treated mice ran around like young mice. Your ability to remember seemed improved and they were much more quickly able to find your way in a maze, as the animals from the untreated control group,” reported the New Scientist. The researchers also assume that the method can be applied to humans. This is a very interesting line of research. Maybe Dracula was on to something.