You can't really tell the onset of asthma. However, if your family has a history of asthma, you should be extra careful to prevent developing the condition as also. According to many scientists, asthma has something to do with the genetic makeup of the individual. There are interventions of asthma to help you. Try to find out as much information about asthma so that you can be well-informed. If you know a lot about asthma, you can effectively prevent it from developing. Start by learning the definition of asthma.You can prevent this disease and/or you can effectively manage and control such condition. Don't hesitate to call your doctor next time you experience asthma symptoms. Health conditions are addressed effectively when identified and treated early.