Association of current and former smoking with body mass index: A study of smoking discordant twin pairs from 21 twin cohorts.
Maarit PiirtolaAline JelenkovicAntti LatvalaReijo SundChika HondaFujio InuiMikio WatanabeRie TomizawaYoshinori IwataniJuan R OrdoñanaJuan Francisco Sánchez-RomeraLucia Colodro-CondeAdam D TarnokiDavid L TarnokiNicholas G MartinGrant W MontgomerySarah E MedlandFinn RasmussenPer TyneliusQihua TanDongfeng ZhangZengchang PangEsther RebatoMaria A StaziCorrado FagnaniSonia BrescianiniAndreas BusjahnJennifer R HarrisIngunn BrandtThomas Sevenius NilsenTessa L CutlerJohn L HopperRobin P CorleyBrooke M HuibregtseJoohon SungJina KimJooyeon LeeSooji LeeMargaret GatzDavid A ButlerCarol E FranzWilliam S KremenMichael J LyonsPatrik K E MagnussonNancy L PedersenAnna K Dahl AslanSevgi Y ÖncelFazil AlievCatherine A DeromRobert F VlietinckRuth J F LoosJudy L SilbergHermine H M MaesDorret I BoomsmaThorkild I A SørensenTellervo KorhonenJaakko KaprioKarri SilventoinenPublished in: PloS one (2018)
Smoking is associated with lower BMI and smoking cessation with higher BMI. However, the net effect of smoking and subsequent cessation on weight development appears to be minimal, i.e. never more than an average of 0.7 kg/m2.