Processed Meat Could Lead To Dementia, Finds Study

Updated Jan 30, 2025 | 05:00 PM IST

SummaryThe researchers also found that those who ate a quarter of serving of processed red meat or more per day, had 13% higher risk of developing dementia, compared with people who ate little of no processed red meat. The same also had 14% higher risk of subjective cognitive decline.
Processed Meat

Do you like hot dogs, sausages, bacon, salami and all the meaty things in your sandwich? Or are you that healthy eater who would make a nice salad, but add a few pieces of salami. Well, then, this may not be the best thing to do. As per a new study published in the journal Neurology, found that these cured meats may be linked to developing dementia and cognitive decline as you age.

Since the study came out, health authorities have urged people to reduce their intake of processed red meat because of its links with cardiovascular disease, cancer and Type 2 diabetes. As per the researchers it is because of the high levels of sodium and saturated fats, and chemical additives like nitrated and nitrites found in processed red meat that causes cognitive issues.

What did the study find?

The study found that if one person replaces just one daily serving of processed red meat with plant proteins like nuts and legumes, it could lower the risk of dementia by 19%. This means, the person would spend 1.37 fever years of cognitive aging. There are other non-vegetarian alternatives too, like replacing the processed red meat with chicken and fish, which could lower the risk of dementia and reduced cognitive aging.

Senior author of the study Daniel Wang, and an assistant professor in the Department of Nutrition at the Harvard TH Chan School of Public Health noted that by replacing processed red meats with other sources of protein, you decrease your intake of harmful ingredients. This in a way also increases the intake of beneficial nutrients.

Also Read: Should You Avoid Ultra-Processed Foods?

How was the study conducted?

The researchers studied the data on more than 133,000 men and women in the United States. These participants were tracked for more than 40 years. The participants were part of two different groups of nurses, doctors, dentists, and other health professionals who on a regular basis answered questions about their diets, weight, physical activity and other lifestyle habits.

The tests evaluated the memory of the participants and tested their cognitive functions at various points throughout the study. They were also asked to fill questionnaires that explored any self-reported issues with memories and mental abilities, this measure is also known as "subjective cognitive decline", which is used to detect early stages of worsening cognitive function.

The researchers also found that those who ate a quarter of serving of processed red meat or more per day, had 13% higher risk of developing dementia, compared with people who ate little of no processed red meat. The same also had 14% higher risk of subjective cognitive decline.

Unprocessed red meats were also looked at and it was found that they were not associated with higher risk of developing dementia or worse cognitive function.

Are there any limitations?

As per experts, while they appreciate the new findings and have said that it is very important to focus on dietary habits, many have also pointed out on the limitations. In fact, the authors themselves have cautioned that their study was observation, which means it does not prove a causation. The study also did not account for other lifestyle habits, other than dietary practices.

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The Oats Way Out: Study Says Eating THIS Much Daily Can Reduce Bad Cholesterol

Updated Apr 17, 2026 | 04:58 PM IST

SummaryDoctors say that long-term dietary changes can work far better when it comes to improving cholesterol levels and managing heart health.
Oats

Oats are great for heart health management and overall wellbeing. (Photo credit: iStock)

Oats for breakfast are a go-to choice for many health enthusiasts. Celebrities often turn to this source of complex carbohydrates to kick-start their day—but research suggests some health benefits of this breakfast food that are often overlooked. According to a study by the University of Bonn, eating oats for just two days can help reduce cholesterol levels naturally, and the benefits can last for weeks afterwards. The study, published in the Nature Communications journal, found that even short-term dietary changes can contribute to improvements in people’s risk of metabolic diseases. Experts say that such studies reinforce the importance of following a healthy diet for heart health.

Also Read: Breast Cancer Screening: AI May Predict Tumours Before Mammograms Can Detect Them

What makes oats a healthy breakfast choice?

Oats are rich in soluble fibre and beta-glucans, and these nutrients make them good for cholesterol management and heart health. Experts say that while two days of oats can benefit the heart, it is important to follow a long-term dietary regime to maximise the benefits. Researchers noted that oats can improve cholesterol management by altering the gut microbiome. They help produce compounds that boost metabolism, such as ferulic acid. At the same time, oats help reduce insulin resistance, which is a driving factor for diabetes.

How do oats improve heart health?

In the trial, participants who were suffering from metabolic syndrome followed an oat-based diet for two days—about 300 mg per day. This was divided into three meals along with portions of fruits and vegetables. The results were:

  1. Weight loss of 2 kilos
  2. LDL dropped by 10 per cent
  3. Benefits sustained after six weeks
  4. Blood pressure also improved

A control group also followed a calorie-restricted diet, and the improvements noted were greater compared to people who consumed oats.

Are two days sufficient to reap the benefits of oats?

The study found that a high-intensity oat diet had stronger effects compared to a longer and moderate intake. It was found that people who ate 80 grams of oats for six weeks showed minor improvements compared to those who followed the strict two-day plan. This suggests that a structured dietary intervention, even if short, can deliver faster metabolic results.

Nutrition in oats

Oats contain some protein but are primarily rich in soluble fibre, beta-glucans, and complex carbohydrates. One cup of oats can provide about 4–6 grams of fibre. To enhance the nutritional value and benefits of oats, you can also add fruits and vegetables.

Conclusively, it can be said that diet can have a strong impact on heart health, especially if one makes informed choices. However, experts warn against relying on short-term solutions for long-term care. Particularly in the case of patients with high cholesterol, consulting an expert is important before making dietary changes. While eating oats for just two days can be beneficial, it is advisable to follow a long-term plan to improve overall metabolic health.

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Your Hot Cuppa Tea Or Coffee May Raise Your Cancer Risk, Study Suggests

Updated Apr 18, 2026 | 11:22 AM IST

SummaryCould your daily cup of tea or coffee be doing more harm than you think? Research suggests very hot drinks and frequent heartburn may damage the esophagus and increase cancer risk over time.
Love Your Hot Cuppa? It May Be Raising Your Cancer Risk, Suggests A Study

(Credit : Pinterest)

Drinking hot tea or coffee can be a real source of comfort as a wake-up time ritual or a relaxing activity after work. But how hot is too hot? And could everyday habits like burning the bridge with your tea or brushing past frequent heartburn be putting you at risk for serious health problems? New research indicates that temperature and long-term irritation of the food pipe (esophagus) may be more important than many realize in the risk of cancer.

The Hidden Risk Of Very Hot Drinks

The Hidden Risk of Very Hot Drinks

It’s not the tea or coffee, it’s the temperature. The International Agency for Research on Cancer has classified “drinking very hot beverages” (i.e., those that are consumed at greater than 65°C (149°F) as “probably carcinogenic to humans.” Repeated incidents of hot liquids in the esophagus lining can lead to damage over time.

In support of this, a meta-analysis of 39 studies totaling more than 42,000 participants, published in BMC Cancer (2015), found that hot beverages and foods were associated with a significantly higher risk of esophageal cancer, ranging from an overall increase of about 82%.

A recent prospective cohort study published in the British Journal of Cancer (2025) based on UK Biobank data has again pointed out the association of drinking very hot beverages frequently with increased risk of esophageal cancer.

What Happens Inside The Body?

The mechanism is simple but scary. Repeatedly consuming very hot liquids can damage the fragile lining of the esophagus, through repeated thermal injury. Over time this repetitive damage may lead to:

  • Chronic inflammation
  • Increased cell turnover
  • Greater likelihood of abnormal cell growth

This process can create an environment where cancer is more likely to develop.

Where Heartburn Fits In

But hot drinks are just part of the picture. Another risk factor is frequent heartburn/acid reflux - which is the back flow of stomach acid into the esophagus. Chronic exposure to acid is a risk factor for developing the condition known as Barrett’s esophagus, which has a higher risk of progressing to esophageal cancer.

Research published in Gastroenterology (2014) shows that long-term gastroesophageal reflux disease (GERD) is strongly associated with an increased risk of esophageal adenocarcinoma. When combined, heat damage from hot drinks and chemical irritation from acid reflux may further increase the risk.

An important point: Tea and Coffee are NOT the issue. In fact, a number of studies have shown that these drinks may have some healthy benefits due to their antioxidant content. The issue is drinking these drinks at very high temperatures.

How To Reduce Your Risk

The good news is that small changes can make a meaningful difference.

Experts recommend:

  • Letting hot drinks cool slightly before sipping
  • Avoiding frequent consumption of very hot liquids
  • Managing heartburn symptoms early
  • Seeking medical advice for persistent acid reflux

Even pausing a few minutes before sipping your tea or coffee can help cut out some of the risks. You don’t have to sacrifice your daily cup of tea or coffee for your health, but how you drink it does matter.

Scientific research indicates that chronic heartburn and very hot drinks can, over time, damage the esophagus and possibly increase cancer risk. Simple changes like enjoying your drinks at a lower temperature and tackling reflux can help to safeguard your long-term health without giving up those drinks you love.

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Food Safety In Pregnancy: What To Eat And Avoid To Dodge Listeria

Updated Apr 16, 2026 | 07:00 AM IST

SummaryPregnancy is the most delicate and auspicious time in a woman's life. Here's what one must eat and avoid to avoid infections like listeria.
Pregnancy (2)

Eating clean, home-cooked food during pregnancy can be beneficial for both mother and child. (Photo credit: iStock)

During pregnancy, food safety becomes extremely important. Certain foods can carry harmful bacteria like Listeria, which may affect both the mother and the unborn baby. Hence, it is imperative to know which foods to avoid during pregnancy. Follow the guidelines given by the expert to stay healthy during this crucial phase. Read on to know more about this.

Dr Tanveer Aujla, Consultant Obstetrician & Gynaecologist, Motherhood Hospitals, Noida, spoke about the importance of eating right during pregnancy.

Pregnancy is a time when women need to be extra careful about their diet and hygiene. The body undergoes many changes, and the immune system becomes slightly weaker, increasing the chances of infections in pregnant women. One such infection is caused by a bacterium called Listeria, which can be present in contaminated food. Here, the expert helps to explain Listeria and suggests food safety tips.

What is listeria?

Listeria is a type of bacteria that can cause an infection known as listeriosis. This infection usually spreads through contaminated food. In healthy individuals, it may cause mild symptoms such as fever, body aches, or stomach upset. However, during pregnancy, it can be more serious because the bacteria can pass to the unborn baby via the placenta. In some cases, it may lead to complications such as miscarriage, premature birth, or infection in the newborn. Hence, it is the need of the hour for pregnant women to pay attention to their diet.

Food safety tips for pregnant women

Pregnant women should follow these food safety tips:

  1. Prioritise food hygiene to prevent infections
  2. Make sure to wash fruits and vegetables properly before eating
  3. Food should be cooked thoroughly, especially eggs and seafood
  4. It is also important to store food properly
  5. Avoid eating food that has been kept outside for too long or stale food
  6. Say no to raw milk or products made from unpasteurised milk, as they may contain harmful bacteria
  7. Street food that is kept uncovered for long hours can easily get contaminated with bacteria
  8. Leftover food that is not stored properly in the refrigerator can develop bacteria if reheated multiple times, so discard leftover food
  9. Certain soft cheeses or ready-to-eat refrigerated foods may carry Listeria if not stored properly.

Therefore, make sure to store food as advised by the expert to avoid any health issues during pregnancy. Taking these vital precautions can go a long way in ensuring a healthy pregnancy and protecting the baby’s growth and development. So, pregnant women should take charge of their health and adhere to safe food practices. Stay vigilant!

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