Neuroscience

Blood factor can turn back time in the aging brain

Platelets are behind the cognitive benefits of young blood, exercise and the longevity hormone klotho. In a remarkable convergence, scientists have discovered that the same blood factor is responsible for the cognitive enhancement ...

Neuroscience

Understanding the role of microglia in Alzheimer's disease

Microglia are specialized immune cells in the brain. While they normally protect our brains, they can also contribute to neurodegenerative diseases such as Alzheimer's. The exact mechanism behind this contribution is not ...

Medical research

We need a staph vaccine: Here's why we don't have one

Staphylococcus aureus (SA) is an extremely common bacterial infection; about 30% of people have colonies of SA living in their nose. SA is often harmless, but it is also a leading cause of hospital-acquired and community-associated ...

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