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.
The majority of foodborne illnesses are caused by harmful bacteria and viruses.2 Some parasites and chemicals also cause foodborne illnesses. Bacteria are tiny organisms that can cause infections of the GI tract. Not all bacteria are harmful to humans.
Causes of Foodborne Illness. The causes fall into the following 3 categories: Biological hazards include bacteria, viruses, and parasites. Bacteria and viruses are responsible for most foodborne illnesses. Biological hazards are the biggest threat to food safety. They can be inherent in the product or due to mishandling (e.g., time/temperature abuse).