Raids in Brussels have netted 16 but suspected Paris attacker Saleh Abdesalam is not among them, schools remain closed as the Belgian capital remains on lockdown for a third day. A group of physicians in Minnesota are calling for public high schools to end football in the state, citing health and safety concerns and a sharp rise in concussions for students. Two are dead in a US military helicopter crash in South Korea, the Pentagon is investigating the accident. In a massive $150 billion deal, drugmaker Pfizer will be acquired by rival Allergan and could move its HQ to Ireland in another example of inversion to avoid all US corporate taxes. A new study finds that sleeping in on the weekend or your days off may lead to metabolic health problems like increased obesity and insulin resistance.