Effects of moderate drinking on cognition

The Ethanol page has been updated with additional information about the effects of chronic moderate ethanol ingestion on cognition. Topiwala, A, Allan, CL, Valkanova, V, et al. Moderate alcohol consumption as risk factor for adverse brain outcomes and cognitive decline: longitudinal cohort study. BMJ 2017;357:j2353

2-4 hour paracetamol levels

The Paracetamol page has been updated with information about the utility of a 2-4 hour paracetamol level in predicting subsequent potential toxicity. Yarema, MC, Green, JP, Sivilotti, MLA, et al. Can a serum acetaminophen concentration obtained less than 4 hours post-ingestion determine which patients do not require treatment with acetylcysteine? Clinical Toxicology 2016:1-7. 

Calcium channel antagonist toxicity

The Calcium channel antagonists page has been revised following the publication of the following article. St-Onge, M, Anseeuw, K, Cantrell, FL, et al. Experts Consensus Recommendations for the Management of Calcium Channel Blocker Poisoning in Adults. Critical Care Medicine 2016.