Sciatica is a common type of pain affecting the sciatic nerve, a large nerve extending from the lower back down the back of each leg.

A new therapy shows promise for patients with mild idiopathic pulmonary fibrosis. According to researchers in Japan, inhaled N-acetylcysteine (NAC) monotherapy preserves more lung function in some idiopathic pulmonary fibrosis (IPF) patients than no therapy.