If you think the only good roach is a dead roach, you're wrong. For even dead roaches can cause harm in ways you probably never imagined.
Scientists say the dead roach's eggs, shell, blood and digestive enzymes can trigger allergic reactions in sensitive individuals, particularly asthmatics. These potential allergens can remain in the environment long after the roach has died.
Brian Key, chief of allergy and clinical immunology at the University of Kentucky, said about 60 percent of asthmatics are allergic to roaches. The usual victims are laboratory workers, students and field workers who are frequently exposed to roaches - dead or otherwise, according to Drs. Francois Haas and Sheila Sperber Haas in The Essential Asthma Handbook.
"A report by the US Agricultural Department cited studies which show that millions of people are allergic to cockroaches. Reactions can range from a runny nose and skin irritation to difficulty breathing, shock, and in extreme cases, even death," said the editors of Health Alert.
To crack down on roaches, here are some practical tips from Insect and Rodent Control Through Environ