360 doi: (Published 17 January 2018) Cite this as: BMJ 2018;360:j5543 Jamie Hartmann-Boyce, senior researcher1, Rachna Begh, NIHR postdoctoral research fellow1, Paul Aveyard, professor of behavioural medicine1 1 Nuffield Department of Primary Care Health Sciences, Radcliffe Observatory Quarter, University of Oxford, Oxford UK OX2 6GG, UK Correspondence to: J Hartmann-Boyce Jamie phc.ox.ac.uk What you need to know Electronic cigarettes (e-cigarettes) were originally designed as a smoking cessation aid, and the limited evidence available suggests e-cigarettes containing nicotine may help people stop smoking Evidence suggests e-cigarettes are considerably safer than traditional cigarettes The technology used in e-cigarettes has evolved considerably over time, and newer devices are typically better at delivering nicotine, which might enhance effectiveness A 42 year old electrician has tried to stop smoking several times, including with the aid of pharmacotherapy and behavioural support

A high strength nicotine e-cigarette has the potential to help people with schizophrenia spectrum disorders to quit or reduce smoking
A nested case-control study comparing diabetic patients on metformin with and without vitamin B12 deficiency indicated both the dose and the duration of metformin use are risk factors for vitamin B12 deficiency (Ting et al., 2006)
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Clean Energy and Pump without the crashI have zero motivation in the morning to work out especially working long 12-15 hour days