Under Perens' definition, open source describes a broad general type of software license that makes source code available to the general public with relaxed or non-existent copyright restrictions.
1 Illnesses such as the flu or colds. Home treatment of your flu and cold symptoms usually will relieve lightheadedness. 2  Vomiting, diarrhea, fevers, and other illnesses that cause dehydration.  Very deep or rapid breathing (hyperventilation).
Lightheaded: Dizziness can either be a spinning type(vertigo) or lightheadedness. Vertigo may be caused by an inner ear problem and is worse on turning your head. Lightheadedness can be caused by low blood pressure, anemia, slow heart rate, nausea. See your physician for an exam. ...Read more.