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).
4. Dizziness. Dizziness, or a feeling of sudden lightheadedness is often related to early-stage anemia and often a symptom that prompts that first doctorâs appointment. Dizziness can be related to disturbances of the brain, vision issues, disorders of the inner ear (vertigo), and even gastrointestinal system.