Start by learning more about your topic and gathering keywords to use in your search.
If you are short on time, these are your best bet for finding books, articles, and more on health topics.
Many topics have aspects that connect to government agencies and policies. For example, government information would be really helpful when writing about wolf reintroduction, or bans on vaping products, or child car seat requirements. The government produces many detailed, research-based reports that are excellent sources of information.
Here is a short video that shows some tricks to find government information quickly.
How can I search more efficiently?
How do I use OneSearch?