Methane, CH4, is a chemical compound composed of one carbon atom and four hydrogen atoms. It is one of the most common gases in the universe, as well as on Earth. While it is valued for its energy-production capabilities, methane also has the ability to potentially wreak havoc on the Earth's fragile ecosystems.ethane, CH4, is a chemical compound composed of one carbon atom and four hydrogen atoms. It is one of the most common gases in the universe, as well as on Earth. While it is valued for its energy-production capabilities, methane also has the ability to potentially wreak havoc on the Earth's fragile ecosystems.
Symptoms of Palindromic rheumatism. The list of signs and symptoms mentioned in various sources for Palindromic rheumatism includes the 6 symptoms listed below: Joint pain. Joint swelling. Joint stiffness. Joint warmth. Skin nodules. Joint redness.
Other early symptoms of rheumatoid arthritis. During the early states of RA, you may feel a variety of symptoms, including: general weakness or a feeling of malaise; dry mouth; dry, itchy, or inflamed eyes; eye discharge; difficulty sleeping; chest pain when you breathe (pleurisy) hard bumps of tissue under the skin on your arms; loss of appetite; weight loss