Identify some consequences of drug use for different groups of people

Felicia has a respiratory infection and has been coughing up a lot of mucus. she knows this means that her respiratory system is working to restore balance by getting rid of the invasive materials from her lungs. how does this happen?

How do i know when i have a stress headache? what are the symptoms?

Write 5 complete sentences. explain the process of accessing valid and reliable health information. why is it important having information that is valid and reliable?