A commission led by U.S. Health Secretary Robert F. Kennedy Jr. on Thursday issued a report that said processed food, chemicals, stress and overprescription of medications and vaccines may be factors behind chronic illness in American children.

The White House blamed exposure to environmental toxins, poor nutrition and increased screen time for a decline in Americans’ life expectancy Thursday, in a major administration report that also casts doubt on the current vaccine schedule and medications deemed safe by most in mainstream medicine.

At a White House event May 22, President Donald Trump praised a report from his Make America Healthy Again commission that said chemicals in plastics could be a contributing factor in chronic disease epidemics.