Premature ventricular contraction (PVC) is a type of abnormal heartbeat, or arrhythmia. It happens when the heartbeat begins in the lower, rather than the upper, heart chambers. This creates an ...

Building the perfect outdoor shower enclosure is a backyard upgrade that many homeowners dream of having. Who can blame them? It's practical and perfect for those days when you just want to enjoy the ...

Few polymers used in healthcare have stoked as much controversy as polyvinyl chloride (PVC). For many years, this plastic and its additives have been scrutinized by authorities, criticized by NGOs, ...