The dangers associated with them are that they carry several diseases and leave bacteria on our food, stuff and wherever they go. They make our chairs, tables and upholstery infected with bacteria. Experts also believe that they also trigger asthma attacks as there are certain chemicals in their faeces which results in such situations.
As they carry bacteria like Salmo and E.Coli, you should prefer German cockroach control if you could see them once in your home. They are unhygienic and can create several health problems. That is why it is important that you should get rid of them with the help of experts who have human-friendly ways of killing these pests.