Nutrition: in Sierra Leone breast is best

The government places breastfeeding at the centre of a campaign to move from treating malnutrition to preventing it. Anna Leach speaks to Aminata Shamit Koroma at the ministry of health

The egg-white craze: it’s no yolk

There is a national egg-white shortage in the US after a rise in demand for yolk-free omelettes, sandwiches and shakes. Do you ditch the tastiest, most nutritious part of the egg?