Background and objectiveExercise and healthy eating patterns are effective in improving health-related quality of life for patients with cancer. However, little is known about general practitioners' (GPs') views and experiences regarding providing exercise and nutrition recommendations to their patients with cancer. The aim of this study was to 1) report GPs' experiences of providing nutrition and exercise advice to their patients and 2) identify perceived barriers and enablers to implementation of exercise and nutrition advice throughout the cancer journey from the GP perspective.
MethodsTwenty-three semi-structured interviews were conducted, and transcripts coded by two independent researchers. A thematic analysis was performed to derive main themes.
ResultsFour main themes were identified: the importance of exercise and nutrition recommendations for patients with cancer, the influence of the patient agenda, the influence of additional training or personal interest of the GP, and limitations of the primary care setting.
Vitamin E, along with other vitamins and micronutrients play a range of physiologic roles in the homeostasis of the body. Moreover, they also have postulated therapeutic roles that are often incompletely studied and understood. In this scoping review, we explored the recent randomized control trials (RCTs) of Vitamin E in the context of cancer, to investigate whether Vitamin E has a therapeutic role. We searched major bibliographic electronic databases to identify sixteen RCTs studying the role of Vitamin E in cancer management that have been published in the last ten years. These studies had different methodological qualities, including some that used Vitamin E in combination with other treatments. Furthermore, due to the heterogenous results, it is difficult to make a consensus statement on the effectiveness of Vitamin E in cancer therapeutics. In some cases, there were even suggestion of detriment with Vitamin E supplementation. Therefore, well designed, large, prospective RCTs are needed studying pure isoforms of Vitamin E to establish the safety and efficacy of this dietary supplement.
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