In our fast-paced lives, the refrigerator is essential for keeping food fresh, but keeping food for too long—sometimes weeks—is a common mistake that can lead to bacterial growth and food poisoning, warns Dr. Danish Salim in a video addressing proper food storage. While the fridge slows bacterial growth, it does not stop it entirely, and many households unknowingly store leftovers and perishables well beyond safe limits. Dr. Salim’s guidance offers a practical framework for anyone looking to protect their family’s health through better refrigerator habits.
The foundation of safe food storage begins with correct temperatures. Dr. Salim recommends keeping the refrigerator at 4°C (40°F) and the freezer at -18°C (0°F) to inhibit bacterial growth. To make these guidelines easier to remember, he introduces the “247 Rule”—a simple mnemonic for safe food handling. The number 2 represents two hours: never leave food at room temperature for more than two hours. The number 4 stands for four hours: if the power goes out, food in a cold fridge is generally safe for only up to four hours. And the number 7 means seven days: avoid keeping any cooked food in the fridge for longer than one week. These three numbers provide a quick mental checklist that can prevent most common food safety mistakes.
Dr. Salim also breaks down storage guidelines for specific foods, helping households plan their consumption more effectively. Salads are best consumed immediately or within one to two days and should never be frozen, as freezing ruins their texture and nutritional value. Bread should be consumed within three to four days, after which it begins to stale and grow mould. Eggs can last three to four weeks in the fridge, but once cracked, they should be used within two days; hard-boiled eggs last five to seven days. Meat, fish, and shellfish generally keep for one to three days depending on the type, while cooked meat should not exceed five days. Leftovers should be consumed within three to four days, and reheating them thoroughly before eating is essential.
The broader message of Dr. Salim’s video is that food safety is not about complicated rules but about awareness and discipline. Most cases of food poisoning at home stem from simple oversights—forgetting how long something has been in the fridge, leaving food out on the counter, or assuming that refrigeration makes food safe indefinitely. By adopting the 247 Rule, maintaining the correct temperatures, and following the specific storage timelines for different food categories, households can significantly reduce the risk of bacterial growth and illness. A few seconds spent checking dates and temperatures can save days of discomfort and, in serious cases, prevent dangerous health complications.