Biomarker

Biomarker (science) can be an indicator of some biological state or condition, and those indicators can be measured.

Biomarker or biomarkers can be:

  • Biomarker (aging), molecular indicator of biological age
  • Biomarker (medicine), a measurable indicator of the state of a disease, or a measurable indicator of if a disease is prestent
  • Biomarker (toxicology), indicator of exposure to a chemical
  • Biosignature, or biomarker, a fossil organic molecule that provides evidence of past or present life