A latest research suggests that human brain can continuously produce fresh cells. This finding could go a long way in the treatment of diseases like Alzheimer's. This research was undertaken by a team from University of Auckland, New Zealand and the Sahlgrenska Academy in Sweden.

Stem cells reside under the fluid filled ventricles in the brain. The research team observed in human beings that these cells move to the olfactory area which is responsible for the sense of smell maturing into neurons on the way. This system of movement is generally observed in mice and rats.

The scientists report that when new nerve cells are added in the olfactory area, there is a better response to various stimuli through out a human's life. According to Dr Mark Baxter from Oxford University, regeneration of brain cells would help in understanding the repair of brain cells which are damaged due to disease or accidents.