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Harvard researchers now say poor oral hygiene is associated with two types of cancer. Shutterstock/Dragon Images Everyone knows that brushing and flossing your teeth is one of the simplest ways to avoid cavities, but few realize the wide-reaching effects that oral health and hygiene can have on your general health. As it turns out, poor…

By Layal Liverpool Can microplastics find their way into human tissues?HOTLI SIMANJUNTAK/EPA-EFE/Shutterstock A new method could help detect microplastics in human tissues and organs, allowing researchers to investigate the impact that environmental plastic pollution has on our health. Last year, Rolf Halden at Arizona State University and his colleagues discovered molecules from commonly used plastics,…

Sometimes having a visual is the best way to understand something. This is particularly true when it comes to science. And as wearing a face mask has become part of our daily routine, more and more people are questioning if it really matters. As summer sets in and heats up, how much will wearing another…

Those face masks you see with coin-sized valves on the front may look intriguing but they are not as good at preventing the spread of the novel coronavirus as the seemingly lower-tech, non-valved masks.Some masks designed for hot, dusty construction work — where the intent is to filter out dust before it hits the wearer’s…

Those face masks you see with coin-sized valves on the front may look intriguing but they are not as good at preventing the spread of the novel coronavirus as the seemingly lower-tech, non-valved masks.Some masks designed for hot, dusty construction work — where the intent is to filter out dust before it hits the wearer’s…