As the war in Sudan leads to multiple health crises in the country, we look at what can be done to improve the situation. Also on the show, is climate change helping disease-carrying ticks to spread beyond their usual range by an unusual method – migrating birds? And hot chocolate: it’s delicious, but in certain circumstances, could it also help to improve your vascular health? Claudia Hammond is joined by health reporter Laura Foster to explore these topics and more.

Image: WFP trucks carry aid to Darfur and other famine-stricken parts through the Adre Border crossing Image Credit: Abubakar Garelnabei/Reuters

Presenter: Claudia Hammond Producer: Katie Tomsett and Margaret Sessa-Hawkins