Steadily increasing prices could lead to a lack of affordable and nourishing food, endangering the lives of people living with HIV in the developing world, experts have said. 'As prices continue to rise, people will start to buy cheaper, less nutritious food and may begin to skip meals – in Lesotho we are already seeing people skipping meals because they can't afford food,' Alan Whiteside, an economist with South Africa's University of KwaZulu-Natal, told a press conference at the International AIDS Conference in Mexico.