People's bodies can be old or young for their chronological age, depending, in part, on the amount and types of stressors they have experienced. Scientists can estimate people's biological age, but ...

COOH) represents the protonated form of the organic acid, whereas lactate (CH₃CH (OH)COO⁻) represents its conjugated base.

In this study, researchers aimed to determine whether ctDNA is detectable in other bodily fluids besides blood, and to characterize any ctDNA they were able to detect.

A blood test based on whole-genome sequencing achieved 99% sensitivity and specificity for detecting HPV-positive head and neck cancer. Early postoperative detection of circulating tumor DNA predicted ...