Ever get a raging case of altitude sickness? Even a minor dose can ruin a ski vacation with headaches, nausea and generally feeling lousy all over. It’s no fun. Severe cases, of course, can be life threatening. Figure you need to be in better shape to keep altitude sickness out of your ski life? That might not be the case. The latest research being done at the U of Colorado might point to a genetic link to the mountain malady. If that holds up, can an altitude sickness test be far behind? Here’s more on the research from our friends at the Adventure Journal.