No one knows how aging may alter the cannabinoid system in people, but the system has wide-ranging effects on appetite, memory, addiction, and the perception of pain and pleasure.

• 没有人知道老化是否也会改变人类的大麻素系统，但这个系统影响范围广泛，从食欲、记忆、成瘾到对痛觉和快感的感知。