THE GLOBAL ENVIRONMENTAL SANITATION CRISIS CANNOT BE DENIED: well over a century after the sanitary revolution in 19th century Europe, 40% of the world's population still lacks access to improved sanitation. Important lessons from the past must be applied today if the crisis is to be averted. Sanitation has suffered from a lack of prioritization for as long as it has remained the poor relation ...

INTRODUCTION With nonscientific, religious, or magic arguments, sexual activity has been regarded in the past as dangerous to health. This opinion is now rejected, and intercourse is generally considered healthy. However, while some aspects of the equation "more sex equals more health" have been demonstrated, others still need robust data for confirmation. METHODS Four scientists (an endocrin...

BACKGROUND Gamification has been a predominant focus of the health app industry in recent years. However, to our knowledge, there has yet to be a review of gamification elements in relation to health behavior constructs, or insight into the true proliferation of gamification in health apps. OBJECTIVE The objective of this study was to identify the extent to which gamification is used in healt...