Some dogs can live a normal lifespan even after becoming infected with heartworms, though typically complications from heartworm disease will lead to a shorter lifespan. (policygenius.com)
Although the Nppb - knockout mice lived a normal lifespan, when the researchers killed the receptor cells in the spinal cord, the mice died prematurely, suggesting that it could be dangerous to try humans, Hoon says. (sciencemag.org)