Mark Porter reports on shortages of Heparin, a drug to treat blood clots, due to swine fever in Chinese pigs! And staying with anticoagulants Margaret McCartney discusses concerns about taking these drugs along with common pain killers like ibuprofen. Why is this a risky combination? And Alice tells her story of opting for ovarian freezing, the latest technique to preserve fertility when undergoing cancer treatment. Plus a pioneering new type of surgery for arthritis of the thumb.