A Being Patient report examines links between hidden belly fat, high blood pressure and brain health, while stressing that a body scan cannot predict dementia.

A Finnish study found health conditions and healthcare use increased in the five years before early-onset Alzheimer’s diagnosis, but no single symptom predicts it.

A study of 316,542 Korean adults found higher dementia rates at the lowest and, for some outcomes, highest hemoglobin levels. It does not show cause and effect.

Mouse experiments and human data link earlier loss of naive CD8 T cells and lymph node shrinkage in males to weaker cancer recognition.