A decades-long study of postmenopausal women shows that a simple blood biomarker may help identify individuals at higher risk of cognitive decline and dementia years before symptoms appear. Study: ...

Genotype "AC" is all about your blood and how it carries oxygen around your body. The "A" part is the normal type of haemoglobin, which does the job just fine. The "C" part is a bit different—it's a ...