Runny nose can be a symptom of withdrawal from opioids and other drugs or may be a result of tobacco use. Chronic rhinitis may be caused by a deviated septum, septal perforation or nasal polyps (sac-like growths in the nostrils). Runny nose may cause side effects of: 1  itchiness, redness or irritation of the nose. 2  watery eyes. 3  headache. 4  post-nasal drip (including sore throat and coughing). 5  sneezing.
by Jerry Coffey on July 16, 2008. The largest volcano in the Solar System and the largest mountain in the Solar System are one in the same: Olympus Mons on Mars. Olympus Mons is a shield volcano that towers to an amazing 26 km.That makes it 3 times the height of Mt. Everest. Unlike Everest, Olympus Mons has a very gentle slope.he largest volcano in the Solar System and the largest mountain in the Solar System are one in the same: Olympus Mons on Mars.
Image caption The Tamu massif is comparable in size to Olympus Mons on Mars. Scientists say that they have discovered the single largest volcano in the world, a dead colossus deep beneath the Pacific waves. A team writing in the journal Nature Geoscience says the 310,000 sq km (119,000 sq mi) Tamu Massif is comparable in size to Mars' vast Olympus Mons volcano-the largest in the Solar System.