BMJ 2009; 338 doi: https://doi.org/10.1136/bmj.b267 (Published 27 January 2009) Cite this as: BMJ 2009;338:b267

Elderly drivers are often thought to be at risk when their eyesight and physical health start to fail, but it’s the speed of their cognitive processing abilities that is the critical test of their need to stop driving. The three other significant risk factors identified by a study in The Gerontologist are older age, poorer balance, and poor instrumental functioning performance (2009;48:802-10, http://gerontologist.gerontologyjournals.org/cgi/content/full/48/6/802).

A spray-as-you-go airway topical anaesthetic applied by fibreoptic bronchoscope was put to the test in sedated patients with difficult airways during awake intubation. The study compared the safety and efficacy of 2% and 4% lidocaine, and showed excellent or acceptable intubating conditions for all participants. Patients who received 2% lidocaine needed a smaller dosage and had lower plasma concentrations of the drug than those who received 4%, suggesting that the lower concentration might be safer (Anesthesia and Analgesia 2009;108:536-43).

Men seem to have an advantage over women when it comes to curbing excessive hunger pangs. After fasting, 23 hungry non-obese adults were exposed to their favourite food, …

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