Mattias Nilsson

After a Year of Health Struggles, Nilsson Forced into Early Retirement

Swedish biathlete Mattias Nilsson is hanging up his rifle at age 29, he abruptly announced on Thursday. After struggling with health problems all year – including hemochromatosis, when too much iron builds up in the body – Nilsson received confirmation last week that he had a leaky heart valve and that it was dangerous for him to continue competing in endurance sports. “I had been somewhat prepared that this could be the news, but not...