Food poisoning can be caused by inappropriately handled, cooked, or stored food. Common causes are eating undercooked poultry, vegetables, fish, shellfish, eggs, or fruit. Symptoms include nausea, vomiting, diarrhea, fever and headaches. To prevent food poisoning, proper hand washing, thorough cooking, cleaning utensils and water supply, and avoiding eating by the roadside are recommended. Remedies include drinking chicken soup, ginger tea, or mint tea.