Yvette Cooper, the health secretary, has said her officials are “extremely excited” about one of the more obscure, but potentially most significant, changes in last week’s budget – the creation of a new category of “preventative” spending. Internal government spending negotiations are all about DEL (departmental expenditure limits), and standard government accounting differentiates between resource DEL (day-to-day spending) and capital DEL. Last week John Healey, the chancellor, announced that he would create a new category of ringfenced spending in the spending review next year – preventative DEL, or PDEL. This will ensure that budgets are protected for measures involving early intervention to create savings in the long term. Giving evidence to the Commons health committee yesterday, Cooper said that her public health officials were “extremely excited” about this announcement. She said: We think a lot of our investment across not just public health but across the NHS has benefits in t