Do social networks strengthen or weaken the application of complementary and alternative medicine in communities? A systematic review

Ying Zhang, Ning Ji, Jianping Liu
2015 Integrative Medicine Research  
134 reported inverse association between green tea extract with progress of cancer progress compared with placebo. Conclusion: The association direction of green tea consumption and cancer incidence is diverse with regards to study types, countries and cancer types. There seems to be a decrease in large number of population-based observational studies after the year 2008.
doi:10.1016/j.imr.2015.04.255 fatcat:ryuwi4kx5fgh5lkeejn6wew4ee