Food intake of folate, folic acid and other B vitamins with lung cancer risk in a low-income population in the Southeastern United States

We prospectively examined associations of lung cancer risk with food intake of B vitamins involved in one-carbon metabolism and the use of folic acid-containing supplements among a low-income population of black and white adults in the Southeastern US. Within the Southern Community Cohort Study, we included 1064 incident lung cancer cases among 68,236 participants aged 40–79 years at study enrollment. Food intake and the use of folic...