In the seventh edition of Baby and Child Care, published a few weeks after he died, Spock advocated for a bold change in children's diets, recommending that all children switch to a vegan diet after the age of 2.[8] Spock himself had switched to an all-plant diet in 1991, after a series of illnesses that left him weak and unable to walk unaided. After making the dietary change, he lost 50 pounds, regained his ability to walk and became healthier overall. The revised edition stated children on an all-plant diet will reduce their risk of developing heart disease, obesity, high blood pressure, diabetes and certain diet-related cancers.