Eating contaminated food leads to food poisoning. Infectious organisms, including bacteria, viruses and parasites or their toxins, are the most common causes of food poisoning.

Symptoms involving food poisoning include nausea, vomiting, watery or bloody diarrhoea, abdominal pain or cramps and fever.

Yes, if home-cooked food is not cooked at the right temperature, and if the food is already contaminated, then the organisms may continue to survive and thsi food can cause food poisoning.

Dehydration, which is a severe loss of water and essential salts and minerals is the most common and serious complication of food poisoning. Infants, people with chronic illnesses, older adults are at more risk of having dehydration.

You can prevent food poisoning by washing hands, utensils, food surfaces regularly, cooking food at a safe temperature, refrigerating perishable foods and throwing food when in doubt.