They claim studies on worms suggests avoiding sugar boosts our defences against harmful compounds, free radicals, which occur naturally in our body.

Eating raw watercress regularly in a salad or sandwich appears to raise levels of the beneficial compounds and cut levels of harmful compounds in the blood.

Nanoparticles can sequester (via adsorption or complexation), immobilizing them, or they can degrade the contaminants to less harmful compounds.

Such materials react with the metal contaminants and passivate the contaminants by forming less harmful compounds that remain on the catalyst.

Water pollution occurs when pollutants are directly or indirectly discharged into water bodies without adequate treatment to remove harmful compounds.