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AI or humans in customer service? Preference depends on situation, large study shows

When we shop online, a chatbot answers our questions. A virtual assistant helps us track a package. And an AI system guides ...
Healio

Meta-analysis: No conclusive link between saturated fats and CV risk

Please provide your email address to receive an email when new articles are posted on . The Seven Countries Study was the first long-term study to assess the effect of diet, lifestyle and other risk ...
BMJ

Effects of exercise training on the cognitive function of older adults with different types of dementia: a systematic review and meta-analysis

Data sources Cochrane Central, PsycINFO, Embase, Medline and CINAHL. Eligibility criteria Peer-reviewed, randomised controlled trials, in English (1990–present), which examined the effects of exercise ...
BMJ

Comparative effectiveness of exercise, antidepressants and their combination in treating non-severe depression: a systematic review and network meta-analysis of randomised ...

Correspondence to Dr Parco M Siu, The University of Hong Kong, Hong Kong, 999077, Hong Kong; pmsiu{at}hku.hk Data sources Embase, MEDLINE, PsycINFO, Cochrane Library, Web of Science, Scopus and ...