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We had weak instrument bias or false causal direction in several analyses, which hindered the causal inference on these associations

Some flavors may dry out the mouth making oral health worse

From a food safety point of view, there is no reason to panic, Selmar says

Key players include Philip Morris International, British American Tobacco, Altria Group, Japan Tobacco, Imperial Brands, ITC Limited, KT&G Corporation, China National Tobacco Corporation, Swedish Match, and Godfrey Phillips India Ltd

They evaluated 533 undergraduate students (374 females and 159 males) with a mean age of 23.4 years (SD = 1.4, range = 5)