Walgreens Health will feature in-store primary-care clinics, medical consultation spaces and testing for infections.

Breast, lung, lymphoma and colorectal cancers are most expensive to treat.

Researchers say findings should prompt antitrust authorities to 'vigorously examine competitive effects of proposed mergers.'

UnitedHealth, Humana and Kaiser Foundation Health Plan receive the highest marks in new research from Verint.

Treatment costs for the summer surge are impacting patients, taxpayers and private insurance premiums.

CEO Todd Vasos says discount retailer's large presence in 'health deserts' is influencing the company's strategy.

Payers with efficient call centers and digital self-service options experience 'significant' membership increases.

About 40,000 people already are enrolled, according to BusinessInsider.com.