We're learning now there are things that people can do to lower their risk.

We found surprising consistency across the studies. In particular, we found that well known risk factors for heart disease also are risk factors for cognitive decline, and that physical activity may reduce risk for cognitive decline and dementia in older adults.

In these countries, the risk of a pandemic virus emerging is much higher than it is in Western Europe.

If we're going to protect the community, we don't leave high-risk sex offenders out there sleeping on benches.

Making mental connections is our most crucial learning tool, the essence of human intelligence; to forge links; to go beyond the given; to see patterns, relationships, context

It is not that I'm so smart. But I stay with the questions much longer.