A deficiency of one or more of these minerals can leave you prone to cramps. These minerals include magnesium, sodium, potassium and calcium. Intense sweating, diarrhoea and vomiting are the most common ways of developing a sudden, acute deficiency in these minerals.
Germs called bacteria, viruses, and fungi may cause pneumonia. In adults, bacteria are the most common cause of pneumonia. Ways you can get pneumonia include: Bacteria and viruses living in your nose, sinuses, or mouth may spread to your lungs.
Bacteria can enter the lungs, causing infection and making you sick. Photo Credit Man in pain image by MAXFX from Fotolia.com. Lung infections in humans arise when a pathogenic bacteria invades the lungs. The bacteria can then replicate and spread to other parts of the body, in serious cases. The bacterial replication results in inflammation of the alveoli in the lungs, where oxygen exchange occurs.