A posterior annular tear is a painful condition characterized by tear or rupture in the annulus fibrosus (outer layer of an ...

Think of putting pressure on a jelly doughnut until that jelly squirts out the side. That material can then put pressure on the nerve and cause pain, weakness and numbness. A discectomy is a common ...

The experiment also hinted at how nerve stimulation achieves these results: it increases calcium uptake by platelets in the spleen and makes them more ready to release their innards when they ...