A stomach ulcer is a sore that forms on the lining of the stomach or duodenum (the first part of the small intestine). It is usually caused by the bacterium Helicobacter pylori or the use of non-steroidal anti-inflammatory drugs (NSAIDs). Symptoms may include abdominal pain, bloating, nausea, vomiting, and...

Liberty is the ability or willingness to do something and the power of doing what has been conceived without interference or influence from any other source. However, liberty, as defined above, could be an impossibility for all citizens at the same time.