Recent "TED conference talk" says that Brain actually can grow new brain cells

Recent "TED conference talk" says that Brain actually can grow new brain cells In this way,the level of depression decrease with the new nervous cells. That's very optimistic to hear that in fact, brain can develop new brain cells at almost any age and there are some factors that determine these process: - learning, sleep,sex, running, some eating habits like: eating less and the distance among meals, omega free food, black chocolate, blueberry, red wine, texture of the food; Here is the link http://www.ted.com/talks/sandrine_thuret_you_can_grow_new_brain_cells_here_s_how?