However, incidents of apnea followed by awakening can occur hundreds of times during the night, significantly reducing sleep time. Furthermore, drinking moderate to high amounts of alcohol prior to sleep can narrow the air passage, causing episodes of apnea in persons who normally do not exhibit sleep apnea symptoms.
The vast majority of the bacteria in the body are rendered harmless by the protective effects of the immune system, and some are beneficial. However, several species of bacteria are pathogenic and cause infectious diseases, including cholera, syphilis, anthrax, leprosy, and bubonic plague.he word bacteria is the plural of the New Latin bacterium, which is the latinisation of the Greek Î²Î±ÎºÏÎ®ÏÎ¹Î¿Î½ (bakterion), the diminutive of Î²Î±ÎºÏÎ·ÏÎ¯Î± (bakteria), meaning staff, cane, because the first ones to be discovered were rod-shaped.
Tuberculosis is an infectious disease. The bacteria that cause tuberculosis are called mycobacterium tuberculosis. People with TB or tuberculosis cough excessively and suffer a terrible pain in the chest. They cough up blood and display excessive weight loss, fatigue, loss of appetite, and persistent fever.he bacterium legionella causes Legionnaires' disease, a lung infection which is a severe form of pneumonia. The disease spreads by inhaling the bacteria or through contact with a person suffering from the disease. Legionella also cause a flu-like illness called Pontiac fever.