We investigated serotonin signaling in C. elegans as a paradigm for neural regulation of energy balance and found that serotonergic regulation of fat is molecularly distinct from feeding regulation.

• 人们总是认为，吃得越多越容易发胖，事实上可能并非如此。美国科学家近日研究发现，增加进食并不一定会导致脂肪的增长。