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Why leftover rice should not be reheated

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cooked rice

Why leftover rice should not be reheated

Food safety experts say that starchy foods such as cooked rice and pasta could start going bad after just one or two days even if they are refrigerated.

Millions of Nigerians suffer foodborne illness every year ending up in the hospital or worse. Reheated rice syndrome is food poisoning caused by Bacillus cereus, a bacteria that spreads in improperly cooled starches. Rice is a major staple in Nigeria, but dietitians warn that it should not be reheated and must be consumed on the day it is cooked due to the risk of  the harmful bacteria. Many people rely on leftovers for quick meals, but foods like rice should only be warmed once, the expert noted.

The reasons for this are, first, reheating can alter the chemical makeup of food, leading to toxic substances that may harm kidneys and other organs. Second, cooling certain foods before reheating can promote the growth of deadly bacteria like E. coli and listeria.

Rice is regarded as one of the most dangerous foods to reheat, the experts warn. When rice cools, it may develop Bacillus cereus, a type of bacteria found in soil and vegetables. The spores can survive heating, therefore reheating does not eliminate the risk of illness, which can include vomiting and diarrhea.

To minimise this risk, rice should be stored in the fridge within two hours of cooking, ideally in an airtight container. However, leaving rice out for extended periods can lead to bacteria growth.

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A 20-year-old man in Belgium reportedly died from ‘fried rice syndrome’ after reheating spaghetti he had left out for five days. He experienced severe symptoms shortly after eating, including nausea and abdominal pain, and passed away within 10 hours. A post-mortem examination revealed liver damage that led to organ failure.

Cooked rice can develop Bacillus cereus bacteria that can cause vomiting, diarrhea, and stomach cramps. Although rice can be stored for months on the shelf, cooked rice only lasts about a day in the fridge before it goes bad due to the presence of Bacillus cereus, which is often found in raw foods like potatoes, peas, beans, and some spices.

The bacteria are especially prevalent in rice or grains that have been left out at room temperature or in a refrigerator that is too warm, but they can also grow in leftover rice kept at safe temperatures.

Cooking rice does not eliminate the spores, so if cooked rice or pasta is left out at room temperature, the spores can multiply quickly and create harmful toxins. Symptoms from Bacillus cereus infection include vomiting, diarrhea, and stomach cramps. Elderly individuals and those with weakened immune systems are at a higher risk of getting infections from this bacteria.

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NAFDAC Raises Alarm Over Fake Cerelac Mixed Fruits, Wheat in Lagos

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NAFDAC Director-General, Prof. Mojisola Adeyeye
Director-General of NAFDAC, Mojisola Adeyeye

NAFDAC Raises Alarm Over Fake Cerelac Mixed Fruits, Wheat in Lagos

The National Agency for Food and Drug Administration and Control (NAFDAC) has issued a fresh public alert warning Nigerians about the circulation of counterfeit and unregistered Cerelac products in Lagos, raising serious concerns over infant health risks.

The agency disclosed that the alert followed a complaint received by Nestlé Nigeria Plc, the official Marketing Authorisation Holder (MAH) of Cerelac in Nigeria. The complaint involved a suspicious batch of Cerelac Mixed Fruits and Wheat bearing Batch Code 308002910, allegedly manufactured by Nestlé Spain.

According to NAFDAC, the complainant reported that the product emitted a strange odour resembling fuel contamination, raising immediate red flags about its safety.

Further investigation by Nestlé Nigeria revealed that although the product displayed an expiry date of October 2026, it had in fact already expired—indicating that the date had been tampered with or revalidated, a common tactic used in the distribution of counterfeit food items.

NAFDAC’s Post Marketing Surveillance (PMS) Directorate subsequently carried out an inspection at Maxland Shopping Centre, Ago Palace Way, Okota, Lagos, where the product was originally purchased. During the operation, officials discovered the fake Cerelac products on sale and immediately mopped them up from circulation.

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The agency also highlighted a key distinguishing feature to help consumers identify the counterfeit product:

  • Fake product: Uses a hyphen (-) in date formatting
  • Original product: Uses a slash (/) in date formatting

NAFDAC noted that Nestlé Nigeria Plc is not aware of the distribution channels through which the counterfeit products entered the Nigerian market, raising further concerns about supply chain breaches.

The regulatory body warned that fake baby food products may lack essential nutrients, vitamins, and minerals, potentially leading to stunted growth, developmental complications, or severe health consequences, including death in extreme cases.

To curb the spread, NAFDAC has directed all its zonal directors and state coordinators nationwide to intensify surveillance and ensure the removal of any revalidated or falsified Cerelac products from circulation.

The agency also urged distributors, retailers, healthcare professionals, and caregivers to remain vigilant and avoid dealing in unverified products.

Consumers and healthcare workers are encouraged to report any suspicious products to the nearest NAFDAC office or through official channels, including the agency’s hotline and email reporting system.

NAFDAC reiterated its commitment to ensuring the quality, safety, and efficacy of regulated products, stressing that it will continue aggressive monitoring to protect public health.

NAFDAC Raises Alarm Over Fake Cerelac Mixed Fruits, Wheat in Lagos

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Kidney Failure: Experts Warn Nigerians to Drink Water, Exercise, Rest

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Experts Warn Nigerians to Drink Water

Kidney Failure: Experts Warn Nigerians to Drink Water, Exercise, Rest

At 42, Chinedu never imagined that frequent soft drink consumption, lack of sleep, and untreated high blood pressure could threaten his life. By the time symptoms appeared, his kidneys were already failing, and the cost of treatment—running into nearly ₦1 million monthly for dialysis—was far beyond his reach.

Chinedu’s story reflects a growing health crisis in Nigeria, where dozens of patients arrive at hospitals daily unaware they are battling Chronic Kidney Disease (CKD). Experts warn that the disease often progresses silently, with symptoms only appearing at advanced stages when treatment becomes difficult, expensive, and emotionally draining.

According to Dr. Nmadu Danladi, Consultant Nephrologist at the Federal Medical Centre Ebute Metta, kidneys are “silent workers” that many people ignore until it is too late. He explained that unlike other organs, kidney problems rarely show early warning signs, which is why late presentation is common.

He described kidney failure as devastating on multiple levels—physically, emotionally, and financially—not just for patients but also for their families, who often bear the cost of long-term care.

Medical experts attribute the rising burden of kidney disease to lifestyle-related conditions such as Hypertension and Diabetes Mellitus, both of which are leading causes of kidney damage globally. Poor dietary habits, including excessive salt intake, high consumption of processed foods, and sugary drinks, are also major contributors.

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To reduce the risk, nephrologists recommend five key lifestyle measures: drink plenty of water, get adequate rest, exercise regularly, reduce salt and red meat intake, and undergo routine medical check-ups. These simple habits, they say, can significantly lower the chances of developing kidney disease.

Hydration, in particular, plays a critical role in maintaining kidney function. Experts advise that men should consume about 2.7 litres of water daily and women about 2.5 litres, with higher intake recommended in hot weather conditions common across Nigeria—sometimes up to 3.5–4 litres daily.

They stress that early detection remains the most effective way to prevent irreversible damage. Kidney disease can often be managed in its early stages through medication and lifestyle adjustments, preventing progression to full kidney failure.

Globally, the World Health Organization (WHO) has consistently warned about the rising prevalence of kidney disease, particularly in low- and middle-income countries where access to treatment is limited and expensive.

In Nigeria, the cost of managing kidney failure remains a major challenge. Dialysis sessions typically cost between ₦40,000 and ₦50,000 per session, with patients requiring multiple sessions weekly to survive. This places treatment far beyond the reach of many households.

However, government interventions are beginning to offer some relief. At the Federal Medical Centre, Ebute Metta, dialysis has been subsidised to about ₦12,000 per session, significantly reducing the burden on patients.

Despite this, demand continues to rise. The hospital now conducts between 300 and 350 dialysis sessions monthly, averaging 20 to 25 sessions daily, while recording two to three new emergency kidney failure cases every day—a trend experts describe as alarming.

Health professionals also warn against the abuse of over-the-counter painkillers, which can damage the kidneys when used excessively, as well as untreated infections and herbal remedies of unknown composition.

They emphasise that World Kidney Day, observed every second Thursday in March, serves as a reminder of the importance of kidney health and early screening.

Ultimately, experts agree that prevention is far more affordable and effective than treatment. With kidney disease often progressing unnoticed, Nigerians are urged to prioritise their health through proper hydration, healthy living, and regular medical checks.

They warn that without urgent lifestyle changes and increased awareness, the burden of kidney disease will continue to rise—placing more families at risk of devastating financial and emotional strain.

Kidney Failure: Experts Warn Nigerians to Drink Water, Exercise, Rest

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Meningitis cases in UK rise, nightclub fingered

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Meningitis cases in UK rise, nightclub fingered

A popular nightlife spot in southeast England has emerged as the focal point of a growing meningitis outbreak, prompting an urgent public health response that has seen thousands vaccinated and treated within days.

UK health authorities confirmed that cases tied to the outbreak have climbed to 34, including 23 laboratory-confirmed infections, with epidemiological links tracing back to a three-storey venue, Club Chemistry, in Canterbury.

The development has shifted attention to the risks associated with crowded social settings, particularly as officials race to contain further spread among young people.

In response, a large-scale vaccination campaign has been rolled out at the University of Kent, where hundreds of students formed long queues over the weekend to receive the meningitis B vaccine. The surge in demand follows an earlier rush that left some unable to access doses.

So far, more than 5,700 vaccines have been administered, alongside the distribution of over 11,000 antibiotic doses across Kent, according to the UK Health Security Agency (UKHSA).

The outbreak, which began just over a week ago, has already claimed two lives — a university student and a schoolgirl — while several others remain hospitalised. Most confirmed cases involve meningococcal group B (MenB), a strain known for its severity.

Authorities are now urging individuals who visited Club Chemistry between March 5 and 7 to seek immediate medical advice and preventive treatment, as efforts intensify to break transmission chains linked to close-contact environments.

Public health officials have also raised concerns about the potential for isolated cases to surface beyond Kent, as students travel across the country. However, they maintain that such occurrences are likely to be limited and manageable.

The situation has already crossed borders, with France confirming a related case involving a University of Kent attendee who is currently in stable condition.

Meningitis, a serious infection affecting the brain and spinal cord membranes, can escalate rapidly if untreated. Early symptoms — including fever, headache, and neck stiffness — often resemble less severe illnesses, complicating early detection.

Health experts continue to stress vigilance, particularly among young adults, as the outbreak underscores how quickly infections can spread through close social interactions.

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