Brain chemicals help worms live long and prosper

Serotonin and dopamine accompany life span extension in nematodes on a diet

LOW CAL  Unlike normal worms, calorie-restricted C. elegans maintain high levels of the brain chemicals serotonin and dopamine, a new study finds. 

Kbradnam/Wikimedia Commons

The fabled elixir of life delivers eternal youth free from the bodily indignities that come with age.