Their natural killer cell numbers, for instance, have normalized and a few have largely recovered.

FORBES: Connect

The "Lady in the Lake" killer found dead in his cell had previously seen a report into the prison suicide of Harold Shipman, an inquest has heard.

BBC: Gordon Park and Carol Park

Two specific types of immune system cell that attack invaders - CD4 T-cells and natural killer cells - increased in number with age, with a higher rate of increase in women than in men.

BBC: Biological clue to why women live longer than men