Free radicals are the unstable, highly reactive and potentially harmful molecules formed in the body by exposure to sunlight, cigarette smoke and environmental pollutants.

This will dramatically reduce your exposure to potentially harmful pesticide residues.

But a toy store banned them over potentially harmful chemicals.

But the tendency to avoid gross and potentially harmful things may not be just limited to humans.

It also absorbs potentially harmful pollutants in the air and provides food and shelter for birds and insects.