PRIO - a prospective integrative oncology registry: trial protocol.

Background: Integrative Oncology (IO) - the use of lifestyle modifications, mind-body practices and natural products in oncology - is increasingly asked for by patients. The evidence base of IO is growing and IO measures are included in national guidelines. Still, many questions about IO remain unanswered or still show a poor evidence base.

Effects of an Online Meditation Course on Quality of Life and Positive Emotions: A Prospective Observational Study (EXPANSION Study).

Several meditation interventions showed positive effects on physical and mental health. The aim of this study is a first evaluation of the (within-group) effects of a 21-day online meditation course of the "expansion method." For this exploratory observational study, parameters were assessed at baseline, at 1 month, and at a 3-month follow-up.