Facebook CEO Mark Zuckerberg broke his silence on Wednesday, acknowledging his company made mistakes in handling data belonging to 50 million of its users and promising tougher steps to restrict developers access to data.

The mumps resurgence has been largely in people 18 to 29, most of whom received the recommended two shots in early childhood.

A growing number of museums bring stimulation and solace to dementia patients through regular tours.

Scientists and National Institute of Health officials waged a concerted campaign to obtain funding from the alcohol industry for research that may enshrine alcohol as a part of a healthy diet.

Women with breast implants have an increased risk of a type of lymphoma that can usually be cured by surgery alone — but not always.

Dr. Redfield, a Baltimore AIDS researcher and advocate for medication-assisted therapies to treat addiction, will take over the public health agency.