In a post on the Bill & Melinda Gates Foundation’s “Impatient Optimists” blog, blogger Jennifer James discusses PSI’s latest “Impact” magazine issue and a recent panel discussion held at the Center for Global Development, both of which highlight best buys in global health. “While many may automatically think of key interventions that are both cost effective and save lives, the best buy in global health overall turns out to be health systems strengthening,” James writes (4/22).