Arthritis means joint inflammation.. It causes pain and swelling in the body's joints, such as the knees or hips. There are many types of arthritis, but osteoarthritis is the most common. Also known as degenerative joint disease or age-related arthritis, osteoarthritis is more likely to develop as people get older.
Hydrogen cyanide (HCN), sometimes called prussic acid, is a chemical compound with the chemical formula HCN. It is a colorless, extremely poisonous and inflammable liquid that boils slightly above room temperature, at 25.6 Â°C (78.1 Â°F).
1 Cyanide gas is less dense than air; so it will rise. 2  Cyanide prevents the cells of the body from using oxygen. 3  When this happens, the cells die. 4  Cyanide is more harmful to the heart and brain than to other organs because the heart and brain use a lot of oxygen. Cyanide gas is less dense than air; so it will rise. 2  Cyanide prevents the cells of the body from using oxygen. 3  When this happens, the cells die. 4  Cyanide is more harmful to the heart and brain than to other organs because the heart and brain use a lot of oxygen.