Depending on which part of the nervous system is affected, symptoms could include headache, dizziness, memory loss, numbness, pain, vision problems, and difficulty walking. Mount Sinaiâs NeuroAIDS Program specializes in diagnosing and treating the full range of HIV-related neurological disorders.
Many greenhouse gases occur naturally in the atmosphere, such as carbon dioxide, methane, water vapor, and nitrous oxide, while others are synthetic. Those that are man-made include the chlorofluorocarbons (CFCs) , hydrofluorocarbons (HFCs) and Perfluorocarbons (PFCs), as well as sulfur hexafluoride (SF 6).
The inert gases include argon, carbon dioxide, helium, neon, nitrogen and xenon. Common flammable gases include acetylene, ammonia, butane, hydrogen and propane. Gases are one of three types of matter present on the Earth; the others are solids and liquids. Gases differ from solids and liquids in that their particles are more spread out than those in the other two phases of matter. Gas particles contain a lot of energy and move in random ways.