Study: Half of US adults exposed to harmful lead levels as kids

The study found about 170 million Americans born between 1961 and 1980 had high amounts of lead in their blood.

More Stories

00:52

Red Cross: Having a diverse blood supply is vital due to constant need

00:48

Experts: Fiber has numerous benefits and should not be overlooked

00:25

Higher cases of RSV has led states to extend window for immunizations

02:19

Experts say upcoming tick season could be worse than last year

02:20

Experts say upcoming tick season could be worse than last year

00:26

Officials: Over 50% of ticks tested last year were positive for Lyme disease