Most employees with access to workplace wellness programs say they have made a positive impact on their health, even though a majority are unwilling to devote more than one hour per day to health-related activities such as consistent exercise, according to a new survey.

The Justice Department accused UnitedHealth of obtaining inflated risk adjustment payments based on inaccurate info about patients’ health status.

UnitedHealth Group Inc. reported stronger-than-expected first-quarter 2017 results and said it was coping with uncertainty in U.S. healthcare laws by pricing its 2018 insurance plans to include a costly Obamacare tax.

The U.S. Justice Department joined a whistleblower lawsuit against UnitedHealth Group Inc. that claims the country’s largest health insurer and its units and affiliates overcharged Medicare hundreds of millions of dollars, a law firm representing the whistleblower said.

UnitedHealth Group, the largest U.S. health insurer, will stop covering several brand-name drugs as of 2017, including Sanofi’s long-acting insulin Lantus.