'Julia Roberts is famous for her bright smile and the actress says she owes it to her grandfather’s tip of using baking soda. “I brush [my teeth] with baking soda. [My grandfather] would put a big heaping mound of it on his toothbrush. He had only one cavity in his entire life,” Roberts said.
Her grandfather was around in the early days of medicine when sodium bicarbonate made by the Arm & Hammer Baking Soda Company was in its heyday publishing about how baking soda can be used as a medicine. Yes it keeps her teeth white but it does much more than that.'
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