Hillary Clinton is 68 years old. She's been diagnosed with cerebral venous thrombosis; head trauma, pregnancy, cancer, brain infection, autoimmune diseases and inborn clotting abnormalities are all predisposing factors, per the Washington Post. She's currently taking blood thinners. Four years ago, Clinton fainted, hit her head and suffered a concussion. But lately many in the media have become outraged that Clinton's health is being broached at all.