There are also numerous unusual anxiety symptoms that can cause not only inconvenience, but also health scares in those that fail to understand their symptoms. Swollen tongue is arguably one of the most unusual anxiety symptoms you can experience, and not everyone experiences it. Many people worry that their sore tongue means something more serious - and indeed, there are many serious conditions that can cause a swollen tongue. But swollen tongue may also be caused by anxiety.
Small enough to fit anywhere and reliable enough to work without electricity, natural gas heaters are perfect for hard to heat areas. Compact and economical, direct-vent room heaters and wall furnaces don't need a chimney and can be installed on any exterior wall.
Natural gas is also used to generate 21% of our electricity. (See Our Energy System for an overview of how natural gas is used in the United States.). Natural gas is often described as âclean burningâ because it produces fewer undesirable by-products than gasoline. Like all fossil fuels, its combustion emits carbon dioxide, but at about half the rate of coal.