Cockroaches are common household pests that can carry diseases and contaminate food. They are also known to trigger allergies and asthma attacks. While most cockroaches are not dangerous to humans, some species can bite and cause skin irritation. The most common type of cockroach in the United States is the German cockroach, which is about 1/2 inch long and light brown in color. German cockroaches are attracted to food and moisture, and they can be found in kitchens, bathrooms, and other areas of the home where food is stored or prepared.
Cockroaches have been around for millions of years, and they have adapted to live in a wide variety of environments. They are able to survive in both hot and cold climates, and they can feed on a variety of foods. Cockroaches are also very resilient creatures, and they can survive even if they are exposed to pesticides or other harmful chemicals.