North West, the daughter of Kim Kardashian and Kanye West, debuted new body modifications after sparking criticism for her recent outfit choices.

Blood biomarkers like p-tau217 are emerging as a way to detect Alzheimer's disease. The first FDA-approved blood-based diagnostic test for Alzheimer's relies on measures of p-tau217 and beta-amyloid 1-42 concentrations in plasma.

Alzheimer’s disease biomarkers measured from finger-prick dried blood samples closely match standard plasma tests and predict CSF pathology with good accuracy, a large-scale study shows.