Brain drain: Scientists explain why neurons consume so much fuel even when at rest

Pound for pound, the brain consumes vastly more energy than other organs, and, puzzlingly, it remains a fuel-guzzler even when its neurons are not firing signals called neurotransmitters to each other. Now researchers have found that the process of packaging neurotransmitters may be responsible for this energy drain.

source https://www.sciencedaily.com/releases/2021/12/211203151430.htm