Causes refer to the reasons or factors that lead to a particular event or outcome. They can be classified into different categories, such as biological, environmental, or social. Understanding causes helps in identifying how certain conditions arise and can guide efforts to address or prevent them. In scientific research, identifying causes is crucial for establishing relationships between variables. For example, in studying diseases, researchers look for causes like bacteria, viruses, or genetic factors that contribute to health issues. This knowledge can inform treatments and public health strategies to improve overall well-being.