The usefulness of YouTube videos on lung cancer.

Background: The use of social media as a source of health information is increasing, and the usefulness of the content may vary depending on the specific disease. Thus, this study was designed to assess the content, viewer engagement and usefulness of the most viewed YouTube videos on lung cancer.

Methods: 167 videos were reviewed, and 143 met the eligibility criteria.

YouTube as a source of (mis)information on allergic rhinitis.

Background: Allergic rhinitis is a very common chronic condition that affects nearly one-quarter of the adult population worldwide. The optimal management of allergic rhinitis includes useful information on several aspects of the condition. Social media and online platforms are increasingly being used to obtain health-related information.

The usefulness of YouTube videos as a source of information in asthma.

Background: Patient education is a key element in the management of asthma.

Aims: This study aimed to evaluate the popularity and usefulness of YouTube videos on asthma.

Methods: Two authors screened and evaluated the 200 most popular videos.