Now we can measure it very specifically with certain MRI techniques.

These new findings offer, for the first time, compelling genetic evidence that myelin breakdown underlies both the advanced age and the principal genetic risks for Alzheimer disease.

It is a very complex problem. For kids with mild ADHD that are sent to school, it may be quite traumatic to try to function in the increasingly structured environment as they move up in grades. It is difficult to find optimal solutions, and the highest levels of expertise and resources are needed.

Men have more iron in the brain in parallel to women.

The human brain functions as a high-speed Internet system. The quality of the brain?s connections is key to its speed, bandwidth, fidelity and overall on-line capability.

By any measure, this was an extremely busy, kind of horrible hurricane season. From the impacts, as well as the meteorology perspective, this was an extreme, extreme year, and hopefully we will not see anything like it for a while.