Social media use has grown in the past several years, particularly among chronically ill people. Social network site users who are chronically ill are more likely to gather health information from the sites compared with people who have no chronic conditions, 20% versus 12%. Susannah Fox, who led the social networking in health survey for the Pew Internet & American Life project, calls this peer-to-peer health care. Note that caregivers, too, engage in social networking in health, where a peer can be a parent of a sick child or an adult child of an aging parent. The second table shows that 28% of caregivers have used social networking sites for health support