Which of the following statements about lead is false?

A) Lead is abundant in the natural environment.
B) Health impacts of lead are only important for infants and the elderly.
C) The greatest hazard of putting lead in paint is through direct ingestion of the paint.
D) Lead air pollution was far greater 50 years ago than today.
E) Serious health effects of lead cover a wide spectrum from birth defects to cancer to arrested brain development.