This course will take approximately 1.5 hours to complete
It includes several video and audio clips, so be sure to have your speakers or headphones ready before proceeding.
Use the “Next” and “Previous” buttons to navigate through the course. To return to sections already reviewed, user the menu on the left-hand side.
When the course links to resources on non-federal websites, links will include an exit disclaimer symbol (). Read the exit disclaimer.
This icon () means that you are leaving health.gov and entering a non-federal website. View full disclaimer.