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chemicals

Chemical cocktails in foods increase cancer risk

The risk of getting cancer from carcinogens increases dramatically when the substances are mixed.

Chemical pollution is causing brain damage in polar bears

Toxic chemicals end up in the Arctic where they cause brain damage in polar bears. They could even affect humans, scientists warn.

Chemical pollution is causing polar bear penises to break

Polar bears' penis bones are eroded by chemical pollution. So much that it might break during intercourse, scientists warn.