Gene that is responsible for happiness in women discovered- Very elusive, found in only 3 women so far. Thought to be the only ones.

http://www.sciencedaily.com/releases/2012/08/120828135107.htm?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+sciencedaily+%28ScienceDaily%3A+Latest+Science+News%29