President Donald Trump's announcement of a new private health tracking system to help patients access their health records and monitor wellness is raising a host of privacy concerns.

The Trump administration is pushing for Americans to upload personal health data to new apps run by private tech companies.

Jeffrey Chester, executive director of the Center for Digital Democracy, has advocated in Washington for privacy protection over the last 25 years, warning U.S. lawmakers and regulators about growing threats to Americans’ online privacy.