White blood cells

People with severe chronic pain were far more likely to have elevated levels of eosinophils, a type of white blood cell, a new study found, hinting at an immune link to pain – but the rise in these cells didn’t make treatments any less effective.

A new study has discovered the reason why men tend to sustain more heart muscle damage following a heart attack than women: the hormone testosterone. The researchers have also discovered a potential fix in the form of an existing drug.