Human brains are getting larger: That may be good news for dementia risk

A new study has found human brains are getting bigger. The increased size may lead to a brain reserve, potentially reducing the risk of dementia.

​A new study has found human brains are getting bigger. The increased size may lead to a brain reserve, potentially reducing the risk of dementia. A new study has found human brains are getting bigger. The increased size may lead to a brain reserve, potentially reducing the risk of dementia.