Doctors warned especially about moldy or spoiled foods kept in the refrigerator. Certain molds can produce harmful toxins, so visibly spoiled food should not simply be trimmed and eaten.
The article also cautions against keeping leftovers or other foods for too long. Even refrigerated food can eventually develop bacteria or mold if it is stored improperly or left beyond a safe period.
A sore throat is usually caused by something minor, not cancer, but symptoms that persist or worsen should be checked by a doctor. Keeping the refrigerator clean and throwing away spoiled or questionable food can also reduce unnecessary food-safety risks.