president obama as he walks with china ’s president xi jinping on tuesday . and to the horror of conservatives , he chewed gum this obama 's gum - chewing in india called ' ungainly sight ' president barack obama became the first president honored as chief guest for india ’s republic day parade with an old habit : gum chewing . he chews gum - chewing than the president . ” this was n’t the first time obama has received criticism for chewing gum at by caitlin taylor “ each day , 1,000 young people under the age of 18 become new regular , daily smokers , and almost 90 percent of all smokers began at or before their 18th birthday , ” president obama said this afternoon as he prepared to sign a bill granting authority over tobacco products to the u.s. food and drug administration . story continued below the president could be seen “ at certain points ” chewing gum while watching the procession , which celebrates that day the constitution of india came into force in 1950 , one pool report said . jeffrey kuhlman , said obama should stick with " smoking cessation efforts , " the use of nicotine gum , and come back in august 2011 after he turns 50 . during the campaign he admitted falling off the tobacco washington — president barack obama has n't kicked the smoking habit , takes anti - inflammatory medication to relieve chronic tendinitis in his left knee and should eat better to lower his cholesterol , his team of doctors concluded sunday after the 48 - year - old 's first medical checkup as commander in chief . the doctor noted obama was in “ excellent ” health except for one minor problem : his history of smoking . he chews gum when presiding over world war ii commemorations .