Caloric-restriction projects underway in two species more closely related to humans—rhesus and squirrel monkeys—have made scientists optimistic that CR mimetics could help people.

对与人类联系更密切的两个物种——猕猴和松鼠猴——进行热量限制的项目，使科学家对模拟热量限制可以帮助人类抱有乐观的态度。