title: Susan Greenfield replies to Vaughan Bell and colleagues.
authors.affiliation: Lincoln College, Oxford OX1 3DR, UK susan.greenfield@pharm.ox.ac.uk.
authors.forename: Susan
authors.initials: S
authors.lastname: Greenfield
mesh_terms: D001927:Brain Diseases / Q000209:etiology*; D006801:Humans; D020407:Internet / Q000706:statistics & numerical data*; D001523:Mental Disorders / Q000209:etiology*; D060756:Social Networking; D018910:Video Games / Q000009:adverse effects*