Some researchers have asserted links between aluminum in vaccines and conditions such as autism and attention deficit hyperactivity disorder, while public health experts state there is no good evidence that aluminum in vaccines is unsafe.
October 31, 2025
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There is a scientific dispute: some critics allege harms from aluminum in vaccines, whereas mainstream public health assessment finds no robust evidence of safety concerns.
Public health experts consider about 0.5 micrograms of lead per day to be a safe level of lead consumption for an individual.
October 14, 2025
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Guidance on a daily lead intake threshold referenced as a safety benchmark for food products and supplements.