Rita Marker, a longtime advocate against assisted suicide, died Oct. 30 at the age of 83. Born in Washington state in 1940, Marker and her family settled in Steubenville, Ohio. After attending an ...

She was so alarmed by what she heard, she and her late husband and soulmate Mike Marker, formed the nonprofit International Anti-Euthanasia Task Force (later renamed the Patients Rights Council).

Diagnostic markers are biological parameters that aid the diagnosis of diseases. Examples include the presence of particular genetic variants and the levels of particular proteins in body fluids.

A biomarker is a biological characteristic that is objectively measured and evaluated as an indicator of normal biological or pathological processes, or a response to a therapeutic intervention ...