A new report published in The Lancet Diabetes & Endocrinology challenges the conventional definition of obesity, and urges a shift from the reliance on Body Mass Index (BMI) to a more nuanced approach. This is supported by over 50 global medical experts. The report also recommends splitting the term "obesity" into two categories: "Clinical obesity" and "Pre-clinical obesity". This aims to improve diagnosis and treatment for over a billion people worldwide living with obesity.

Clinically Obese

This applies to individuals whose obesity has progressed to a disease state, manifesting in organ damage, heart disease, type 2 diabetes, or other health complications. These individuals could also experience symptoms like breathlessness, joint pain, or impaired daily functioning. Treatment also involves medical interventions, including weight-loss medications or surgery.

Pre-Clinic Obese

Whereas the term "pre-clinic obese" refers to those who are overweight but not yet exhibiting health issues. While they may be at risk of developing obesity-related conditions, their organ function and overall health remain intact. What they need is preventive care, which includes dietary guidance, counselling, and regular monitoring to avoid and reduce future health risks.

What does the study say?

The study, led by Professor Francesco Rubino from King's College London emphasizes that obesity is not one-size-fits-all condition. This means it should rather be treated as a spectrum as some individuals maintain normal organ function despite being classified as obese. There are others who may face severe health complications too. However, the current method of calculating obesity based on BMI often leads to misdiagnosis or inadequate care.

The report also states that BMI, while is useful for analyzing population trends, is a flawed unit of measuring individual health. Therefore, there is a need to redefine obesity, and healthcare professionals can provide more precise care by distinguishing those who need immediate medical intervention and those who require preventive strategies.

Limitations of BMI, Why It Falls Short?

BMI is used to classify individuals as underweight, healthy weight, overweight, or obese based on their height and weight. It is calculated by dividing weight in kilograms by health in meters squared. However, there are reasons while it falls short.

•Muscle vs Fat: Athletes or muscular individuals often have high BMIs despite the low body fat

•Fat Distribution: BMI does not measure fat around the waist or organs, which could be more dangerous to one's health.

•Individual Health Variation: It also overlooks the specific health conditions such as heart diseases or diabetes, or any other, while evaluating a person's category in terms of weight.

ALSO READ: Is It Time To Say Goodbye To BMI?

Scope Of Study

By redefining obesity, the study could transform the approach to diagnosis and treatment. It can focus on individual health risks rather than BMI alone. Healthcare providers can also offer tailored care. This also will ensure hat weight-loss medications like Wegovy or Mounjaro are prescribed only to those who genuinely require it.

As per Professor Louise Baur from the University of Sydney, a Children's obesity expert said that this redefinition allows both adults and children to receive more appropriate care while reducing over-diagnosis and unnecessary treatments.

As cough and flu season sweeps across the UK, health expert Dr Xand shared crucial guidance during today’s episode of BBC Morning Live (Jan 19) for anyone struggling with a stubborn cough. The discussion focused on coughs and colds, highlighting new research showing that human rhinovirus, a common cause of cold, can also trigger pneumonia in adults.

Flu Season In UK: Warning Signs To Watch For

Speaking with presenters Helen Skelton and Gethin Jones, as per Mirror, Dr Xand, a specialist in public and global health, explained which symptoms indicate a cough should not be ignored. He noted that a persistent cough is one of the key signs of pneumonia.

Gethin asked, "A cough happens with many illnesses, so when should someone really worry?" Dr Xand replied, "This is a big question, and plenty of people at home might be thinking, 'Is this serious?' because coughs can linger for a long time."

He continued: "Viruses like respiratory syncytial virus (RSV) can cause what’s known as the 'hundred-day cough,' and people can be coughing for weeks wondering what’s going on."

Dr Xand advised viewers to follow the NHS guidelines for coughs, saying, "The NHS recommends consulting your doctor if a cough persists for over three weeks. Many coughs last three to four weeks, and you’ll usually notice if they’re improving. Right now, the most common cause is a virus."

Dr Xand’s Cough Syrup Alert

Addressing people from home about cough syrups, Dr Xand highlighted the latest NHS guidance. He suggested trying more natural remedies, which can be just as effective. "The NHS does not actually recommend cough syrup," he explained. "It advises hot lemon with honey instead."

The official NHS website confirms that "hot lemon with honey has a similar effect to cough medicines." This simple remedy can soothe the throat, calm irritation, and reduce the cough reflex. Some studies even suggest it works as effectively as certain over-the-counter medicines, particularly for children over one year old. However, it’s important to note that it doesn’t treat the underlying illness.

What Do Cough Syrup Studies Show?

Research shows that most over-the-counter cough medicines offer minimal benefits. Studies, including those from the Cochrane Collaboration, reveal that they perform little better than a placebo for short-term cough relief in both adults and children.

While these syrups may temporarily ease throat irritation or provide a sense of relief, ingredients such as dextromethorphan and guaifenesin often do no better than sugar pills. Much of the perceived benefit comes from the placebo effect or the body’s natural recovery.

Instead, simpler measures like honey, staying hydrated, and using painkillers such as paracetamol or ibuprofen are often more effective. Most coughs caused by colds simply need time to resolve.

Cough Syrup: Red Flags To Watch For

Dr Xand shared the warning signs people should be aware of. "There are several red flags worth noting. High fever, chills, or unexplained shortness of breath are all reasons to see a doctor immediately. You should be able to breathe normally, and if you can’t, that’s a concern."

He added, "Any chest pain with a cough, very thick mucus, or extreme fatigue are also serious signs. More severe warning signals include trouble breathing, bluish lips or fingertips, confusion, mental changes, prolonged high fever, and a rapid heart rate."

"It’s crucial to act quickly," Dr Xand continued. "I’ve seen cases in my own family where someone went from a mild cough to being extremely unwell in just a day. Sudden deterioration can be life-threatening, so early medical help is essential."

Pneumonia Can Be Subtle but Serious

Dr Xand emphasized, "Pneumonia can sometimes develop quietly. It isn’t always dramatic, but it can be fatal. That’s why it’s so important to monitor symptoms and seek medical help promptly if things are getting worse."

Vitamin deficiencies are often brushed aside as minor nutritional gaps. Many people assume they can be fixed later or ignored until something feels seriously wrong. According to Dr Prabhat Ranjan Sinha, Senior Consultant, Internal Medicine at Aakash Healthcare, this casual attitude can be risky, especially when it comes to Vitamin D3 and Vitamin B12. Both nutrients play a central role in bone strength, nerve function, immunity, and energy levels. When their levels drop, the damage may build quietly and surface only when daily life starts to feel difficult.

Vitamin D3 and Vitamin B12 are essential for overall wellbeing. Their deficiency may not cause obvious symptoms at first, but over time they can affect how the body functions, how often a person falls sick, and how energetic or mentally sharp they feel.

Vitamin B12 And D3 Deficiencies: The Sunshine Vitamin And Why It Matters

Vitamin D3, often called the sunshine vitamin, is produced by the body when skin is exposed to sunlight. Along with calcium, it helps maintain strong bones and reduces the risk of fractures. Low levels of Vitamin D3 can weaken muscles, increase the risk of falls, and raise the chances of bone disorders such as osteoporosis. In children, severe deficiency can lead to rickets, a condition that affects normal bone growth.

Dr Sinha explains that Vitamin D3 does more than support bone health. It also plays a key role in immune function. People with low levels may fall sick more often and take longer to recover from infections. Research has also linked deficiency to higher levels of inflammation in the body.

Despite living in a country with abundant sunlight, Vitamin D3 deficiency is widespread. Urban lifestyles keep many people indoors for long hours. Regular use of sunscreen, limited outdoor activity, and aging all reduce the body’s ability to produce and absorb this vitamin. Diet alone rarely provides enough Vitamin D3, which is why deficiency remains common even among people who eat well.

Vitamin B12 And Its Silent Impact

Vitamin B12 is equally important but often overlooked. It is essential for nerve health, brain function, and the production of healthy red blood cells. Unlike some deficiencies that show early warning signs, B12 deficiency tends to develop slowly. Its symptoms are often mistaken for stress, aging, or routine fatigue.

Low Vitamin B12 levels can cause weakness, persistent tiredness, tingling or numbness in the hands and feet, memory problems, mood changes, and difficulty concentrating. Over time, untreated deficiency can lead to nerve damage and anemia.

Certain groups are at higher risk. Vegetarians and vegans often do not get enough B12 because it is mainly found in animal-based foods. Older adults may struggle to absorb B12 due to reduced stomach acid. People with digestive disorders and those taking long-term acid-reducing medications are also more vulnerable.

Why These Deficiencies Are Missed?

One of the biggest challenges with Vitamin D3 and B12 deficiencies is that their symptoms overlap with many common health complaints. Ongoing fatigue, joint pain, low mood, or frequent illness are often blamed on work stress, poor sleep, or lifestyle habits. As a result, people delay medical advice until symptoms start interfering with everyday life.

Dr Sinha notes that this delay can make recovery slower and complications more likely.

Vitamin B12 And D3 Deficiencies Diagnosis And Timely Care

Simple blood tests can accurately detect Vitamin D3 and B12 deficiencies. However, many people only get tested once symptoms become severe. Early diagnosis allows for timely treatment, which may include supplements, dietary changes, and lifestyle adjustments under medical guidance.

Addressing these deficiencies early is one of the simplest ways to protect long-term health. Adequate sunlight exposure, balanced nutrition, and routine screening can help maintain healthy levels. Taking Vitamin D3 and B12 deficiencies seriously is a small step that can prevent lasting health problems and support healthier aging.

As winter approaches, many people notice an increase in sinus- and ear-related issues. Symptoms such as nasal congestion, facial pressure, headaches, ear pain, and dizziness become more frequent during this season. According to Dr. Swapnil Brajpuriya, Associate Director & Head Unit II – ENT at Asian Hospital, the combination of cold air, low humidity, and sudden temperature changes are the main reasons why sinus and ear problems worsen in winter.

Why Does Cold Air Cause Sinus Blockage?

The sinuses are air-filled cavities within the facial bones that connect to the nose and play a key role in the breathing process. During winter, the cold, dry air dries out the nasal lining, causing the mucus to thicken. Thickened mucus slows down normal sinus drainage, leading to congestion and blockage.

Dr. Brajpuriya explains, “In winter, the nasal mucous membrane tends to dry out, preventing proper drainage of mucus from the sinuses. This leads to congestion and sinus blockage.”

The Link Between Ear Heaviness, Headache, and Dizziness

The sinuses and ears are connected via the Eustachian tube, which regulates pressure between the middle ear and the environment. When sinus inflammation or blockage occurs, it can create pressure in the ears, causing a feeling of fullness, reduced hearing, headaches, and sometimes dizziness.

“Sinus infections can block the Eustachian tube, causing pressure buildup inside the ear. This pressure is often responsible for the headaches and dizziness experienced by patients,” says Dr. Brajpuriya.

Why Are Infections More Common in Winter?

Winter months often mean spending more time indoors in closed, crowded spaces, which increases the risk of viral and bacterial infections spreading. Additionally, colder temperatures and seasonal changes can weaken the immune system, making common colds and flu more likely to develop into sinusitis or middle ear infections.

Dr. Brajpuriya adds, “If a cold or flu is not treated promptly, it can progress to a sinus or middle ear infection, particularly in children and the elderly.”

Who Should Be Extra Careful?

Certain groups are more susceptible to sinus and ear problems during winter. People with allergies, asthma, frequent colds, weak immunity, or pre-existing sinus conditions need to be extra vigilant. Smokers are also at higher risk, as smoke can irritate the nasal and sinus lining, exacerbating congestion and inflammation.

Sinus Treatment and Prevention Tips

To manage and prevent winter-related sinus and ear issues, Dr. Brajpuriya recommends the following precautions:

• Keep your nose and ears protected from cold air using scarves or masks.
• Stay hydrated by drinking plenty of water to keep mucus thin.
• Minimise exposure to dust and allergens indoors.
• Seek medical advice if nasal congestion, ear pain, or dizziness persists for more than a few days.

He emphasizes, “Neglecting sinus and ear problems can lead to chronic infections. Timely treatment and proper care are essential to prevent complications.”

Cold air, dry weather, and viral or bacterial infections are the key factors behind the increase in sinus and ear problems during winter. With simple preventive measures, adequate hydration, protecting the nose and ears, and seeking early medical care, most people can manage these seasonal issues effectively and reduce the risk of complications.