While it’s smart to sip coffee, soda, and tea through a straw to avoid staining your pearly whites, serious slurping could—get this—cause wrinkles if you do it too frequently. Working your muscles is usually a (really) good thing, but repeatedly flexing the orbicularis oris around your mouth tightly enough to create a vacuum in a straw can lead to “smoker’s lines” around your kisser, says David E. Bank, M.D., a dermatologist in Mount Kisco, NY.
Break it: Stick to the straw, Dr. Krant says, but gently place your lips more to the side instead of the center and don’t pucker up.
