Henry Ford Study Shows Vaccinated Children Sicker Than Unvaccinated
On September 9, 2025, the American public learned for the first time of the existence of the largest U.S. vaccinated vs. unvaccinated birth cohort study ever conducted. This study was done at Henry Ford Health Systems in Detroit Michigan but was never published. Under oath, attorney Aaron Siri testified that in personal conversations with the lead authors, they felt the design and merits of the study were strong, but feared publication would jeopardize their careers. In December 2025, a peer-reviewed analysis of the Lamerato et. al. study was published, A Peer-Review of the Vaccinated vs. Unvaccinated Study Discussed at the Senate Heating on September 9, 2025.
The original study was conducted from 2000 and 2016 and included 18,468 children born during that time. 16,511 received at least one vaccination. 1,957 had no vaccinations.
The reanalysis demonstrated that the vaccinated group was sicker in all 22 chronic disease categories listed in the study.
There was a 549% higher rate of autism-associated neurodevelopmental conditions in the vaccinated group.
There was a 54% higher rate of childhood cancer in the vaccinated group.

All of the following conditions were higher in the vaccinated group.
- Chronic health condition – 250% higher
- Asthma – 553% higher
- Atopic disease – 386% higher
- Autoimmune disease – 1120% higher
- Brain dysfunction – Present only in vaccinated group
- Cancer – 54% higher
- Diabetes – Present only in vaccinated group
- Food allergy – 128% higher
- Mental health disorder – 696% higher
- Neurodevelopmental disorder – 1254% higher
- ADHD – Present only in vaccinated group
- Autism – Present only in vaccinated group
- Behavior disability – Present only in vaccinated group
- Developmental delay – 412% higher
- Learning disability – Present only in vaccinated group
- Intellectual disability – Present only in vaccinated group
- Speech disorder – 803% higher
- Motor disability – 810% higher
- Tics – Present only vaccinated group
- Other psychological disability – Present only vaccinated group
- Neurological disorder – 26% higher
- Seizure disorder – 216% higher

Only 43% of vaccinated children are healthy by age 10.
83% of vaccinated children remain healthy by age 10.
