Pest control safe, effective, experts say Spring is in the air, but along with the nice weather come some pretty unpleasant critters who want to take up residence in your place.

   Some people avoid professional help because they are afraid that pest-control methods will leave dangerous chemicals behind. This and other myths are discussed here by the National Pest Management Association.

Myth: All exterminators spray dangerous chemicals. Truth: Most use integrated pest management that involves removing what pests need to live, such as food, water, and shelters. Professionals have gels and baits for precision placement, but spraying is sometimes necessary.

Myth: Maybe they'll just go away.
Truth: Pests pose serious threats to health and property. They can transmit as many as 15 major diseases, according to Johns Hopkins University. Cockroaches and mice allergens trigger asthma, affecting 24 million Americans.

Myth: Pesticides are more dangerous than pests. Truth: Professional products are thoroughly tested. Used correctly, they pose little threat to humans and pets.

Myth: Some companies can't fix the problem.
Truth: Most companies offer callbacks and service contracts.