Animal ResearchAnimal ResearchJohnson LaboratoryAging studies usingÌýthe nematode wormÌýCaenorhabditis elegansMolecular Neurogenetics LaboratoryStudies ofÌýnicotinic cholinergic receptor (nAChR) subunit genes using mouse models.Genetics of Substance Abuse LaboratoryUsing mouse models to study the genetics of alcohol and nicotine behaviors.ÌýHoeffer LabAnimal ResearchTom Johnson LaboratoryHuman Research StudiesPublications