Several types of public health risks commonly affect populations:
Infectious diseases: These include illnesses caused by bacteria, viruses, fungi, and parasites. Examples are influenza, tuberculosis, and HIV/AIDS. Chronic diseases: These are long-lasting conditions such as diabetes, heart disease, and cancer. Lifestyle factors like diet, physical activity, and tobacco use often contribute to these diseases. Environmental hazards: These include pollutants, chemical exposures, and natural disasters. Environmental risks can have significant impacts on respiratory and cardiovascular health. Behavioral risks: These are actions or habits that increase the likelihood of disease, such as smoking, excessive alcohol consumption, and poor dietary choices.
