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.
There are more than 250 known foodborne diseases. They can be caused by bacteria, viruses, or parasites. Natural and manufactured chemicals in food products also can make people sick. Some diseases are caused by toxins from the disease-causing microbe, others by the human bodyâs reactions to the microbe itself.