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Objective To determine the health benefits and harms of various ingredients in Christmas desserts from The Great British Bake Off. Design Umbrella review of umbrella reviews of meta-analyses of observational studies. Data sources The Great British Bake Off website, Embase, Medline, and Scopus. Inclusion criteria Umbrella reviews of meta-analyses of observational studies evaluating the associations between Christmas dessert ingredients and the risk of death or disease. Main outcome measures Proportion of protective and harmful summary associations between ingredient groups from The Great Britis...

Objective To estimate the increase in sales of emergency contraception following the New Year’s Eve/New Year’s Day holiday. Design Time series analysis using autoregressive integrated moving average (ARIMA) model. Setting Traditional (that is, “bricks and mortar”) retail outlets—grocery stores, drug stores, mass merchandisers, club stores, dollar stores, and military outlets—in the United States from 2016 to 2022. Data source Marketing data on weekly aggregated sales of items classified as emergency contraception gathered between 2016 and 2022 (n=362). On the basis of dates, weeks ...

Objectives To identify Barbie brand dolls that had medicine and science themed professions in comparison with other career dolls and to determine their accuracy in meeting clinical and laboratory safety standards. Design Descriptive quantitative study. Setting Visual and data analysis of web searches. Main outcome measures To identify the kinds of medical and scientific subspecialties that the Barbie dolls (and a comparison doll group) worked in; and to determine whether these medical professional and scientist dolls met laboratory and clinical safety standards. Additional data about doll demo...

Objective To examine the effect of a (fictional) doctor working during the festive period on population health. Design Natural experiment. Setting England, Wales, and the UK. Main outcome measures Age standardised annual mortality rates in England, Wales, and the UK from 1963, when the BBC first broadcast Doctor Who , a fictional programme with a character called the Doctor who fights villains and intervenes to save others while travelling through space and time. Mortality rates were modelled in a time series analysis accounting for non-linear trends over time, and associations were estimated ...

A rise of 40pc in people over the age of 55 seeking support for homelessness and addiction has been reported by a charity.