Genetic Map of Europe. If you have had your DNA analyzed, you have a good idea of the information on this map, though it is given by tribal or cultural group, and not haplo-group. Over time, the general direction of population movement was west.
Seven in 10 people have a headache each year, with about 45 million Americans suffering from chronic headaches. While most headaches last for a short time, there are some that can last for weeks. A look at the three types of headaches.