A qualitative study of knowledge, behaviour and attitudes regarding vitamin D acquisition among patients with photosensitivity disorders.

Background: Cutaneous exposure to sunlight is a major source of vitamin D. Individuals with photosensitivity disorders have symptoms provoked by sunlight and may not achieve the brief sunlight exposures that convey vitamin D acquisition.

Objective: To explore knowledge, behaviour and attitudes towards vitamin D and its acquisition in patients with photosensitivity.

Quality and Reliability of YouTube Videos as a Source of Patient Information on Rhinoplasty.

This study evaluates the quality and reliability of YouTube videos pertaining to rhinoplasty as a source of patient information.

Quantifying bile acid malabsorption helps predict response and tailor sequestrant therapy.

Although recognised as a cause of chronic diarrhoea for over forty years, diagnostic tests and treatments for bile acid malabsorption (BAM) remain controversial. Recent National Institute for Health and Care Excellence (NICE) guidelines highlighted the lack of evidence in the field, and called for further research. This retrospective study explores the BAM subtype and severity, the use and response to bile acid sequestrants (BAS) and the prevalence of abnormal colonic histology.