An expert has hailed dark chocolate as "one of the best medicines around" for maintaining a healthy heart . Medical herbalist Simon Mills championed the benefits of this everyday cupboard staple during an appearance on The Diary of a CEO podcast with Steven Bartlett. "[It's] a medicine, end of," he declared. Mills informed listeners that consuming between 50g and 100g of the confection – provided it contains a minimum of 75% cocoa solids – could prove invaluable for cardiovascular and cognitive