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.
1 The body's immune system usually keeps bacteria from infecting the lungs. 2  In bacterial pneumonia, bacteria reproduce in the lungs, while the body tries to fight off the infection. 3  This response to bacterial invaders is called inflammation.