Low back pain and sciatica after disc herniation may be caused by mechanical compression of the nerve roots, but also by the release of inflammatory substances from nucleus pulposus (NP) of the herniated disc. In the present ...

Attention-deficit/hyperactivity disorder (ADHD) is an early-onset and highly heritable human psychiatric disorder with negative adult outcomes. ADHD affects about 2 to 5 % of all children, mainly boys. The clinical symptoms ...