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News
A large study found that children with healthier lifestyles at ages 1 and 3 were significantly less likely to develop inflammatory bowel disease — especially Crohn's disease — by early adulthood. Factors like diet quality, physical activity, breastfeeding, and reduced antibiotic use all played a role. The findings suggest early childhood may be a critical window for IBD prevention.
A prospective study of over 117,000 Scandinavian children found that healthier lifestyle patterns in early childhood are associated with a meaningfully lower risk of developing inflammatory bowel disease (IBD) — and Crohn's disease (CD) in particular. Researchers evaluated lifestyle factors at ages 1 and 3, including diet quality, physical activity, breastfeeding duration, antibiotic use, BMI, and smoking exposure, using a Modifiable Health-related Lifestyle Score (MHLS).
The association held consistently across sex, parental IBD history, and sociodemographic groups, though no significant link was found between lifestyle scores and ulcerative colitis risk — pointing to potentially distinct disease mechanisms between CD and UC.
By the Numbers:
Why it matters: IBD affects millions globally and has no cure. This study reinforces that modifiable lifestyle choices in the earliest years of life — not just adulthood — may significantly shape long-term gut health, opening the door for targeted early-childhood prevention strategies.
