Osteoarthritis (OA) is caused by aging joints, injury, and obesity. OA symptoms include joint pain and stiffness. Treatment depends on the affected joint, including the hand, wrist, neck, back, knee, and hip, and involves medication and exercise. If you are overweight, weight loss may improve OA symptoms.
Food Poisoning. Food poisoning (also known as foodborne illness or foodborne disease) is any illness that results from eating contaminated food. Causes. Harmful bacteria are the most common cause of food poisoning, but there are many other causes, including the following: Bacteria and Viruses.
Source of Illness: An extremely common cause of foodborne illness, and the leading cause of acute gastroenteritis, though rarely diagnosed, because the laboratory test is not widely available. Norwalk-like virus spreads primarily from one infected person to another.