In recent years, Android smartwatches have become practical and fashionable products for non-Apple fans. They offer many improved features, from health tracking to extended battery life, great user interface, better connectivity and many more. Of course, some models are a step ahead of competitors, so we’ve sought the consensus of the top five Android smartwatches based on expert reviews. Now, if you’re turning to a smartwatch for heart health monitoring, be warned. Tech companies may claim their smartwatches can accurately detect abnormal heart rhythms, but a University of California San Francisco cardiologist warns that such claims are premature. In an article published in the journal Traffic,Dr. Gregory Marcus, professor of…