Can PFAS exposure during pregnancy change your baby's eating behavior?
Yes. Babies exposed to higher PFAS levels had altered appetite hormones and different eating behaviors in the first two years of life.
What's actually in it
PFAS from nonstick cookware, food packaging, and treated fabrics cross the placenta and enter breast milk. Babies are exposed before and after birth. These chemicals interfere with hormones that regulate appetite and fat storage.
Babies can't control their food environment. If their hunger signals are out of balance from the start, it can set the stage for overeating or undereating patterns that persist.
What the research says
A 2026 study in Clin Nutr measured PFAS levels in mothers and then tracked their babies' adipokine levels (hormones that control appetite and fat) and eating behaviors during the first two years of life.
Babies with higher PFAS exposure had altered levels of leptin and adiponectin, two hormones that tell the brain when to eat and when to stop. The imbalance showed up as early as infancy.
These hormonal changes were reflected in actual behavior. Affected babies showed different eating patterns, including changes in food responsiveness and satiety, compared to babies with lower PFAS exposure.
Disrupted appetite signaling in the first two years can influence weight gain trajectories for years to come. Reducing PFAS exposure before and during pregnancy may help protect your baby's metabolic programming.
The research at a glance
What to use instead
Browse our vetted, non-toxic alternatives. Every product is third-party certified.
Shop Non-Toxic Baby