Body odor is natural part of human physiognomy, while some people may experience less of it, it can be stronger in others. This odor is not uniform throughout your body, certain body part smell more, like your armpits, groin and feet. The Cleveland clinic explains that this smell is due to bacteria and smell on your skin. Your body odor can also change if you are on medication, or ate a certain food or even experience some hormonal changes.

Similarly, It's common for belly buttons to have a slight odor, but sometimes it can become noticeable and unpleasant. While a little smell is often nothing to worry about, a strong, foul odor, especially when combined with other symptoms, could be a sign of a more serious problem. It's important to understand the possible causes of a smelly belly button so you can take the right steps to address it. Knowing when to simply clean it better versus when to seek medical help is key to keeping yourself healthy.

Possible Causes of Belly Button Odor

If your belly button smells bad and you also have redness, swelling, pain, or bleeding, you should see a doctor. These symptoms could be a sign of an infection that needs medical treatment Here are some reasons why this may be happening.

Not Cleaning It Well

Just like any other part of your body, your belly button needs regular cleaning. If you skip cleaning it with soap and water, things like dirt, sweat, and natural oils can build up inside. As explained above, his buildup creates a breeding ground for bacteria, which can lead to a musty or unpleasant smell. This is especially true if you have a deep belly button, as it has folds and crevices that are harder to reach and clean properly. A deep belly button is a warm, damp place, which is exactly what bacteria love.

Stuff Getting Stuck

Even if you take regular showers, your belly button can still collect things like dead skin cells, lint from your clothes, and other small pieces of debris. WebMD explains that these things can get trapped inside, and when mixed with moisture from sweat or water, they can start to smell bad. Sometimes, these things can clump together and form a hard, smelly lump called a navel stone. This stone can be quite smelly, even though it's usually not painful.

Bacterial Infections

We all have bacteria on our skin, but sometimes they can cause infections. According to WebMD if bacteria get inside your belly button, especially through a small cut or scratch, they can multiply and cause an infection. Infections like impetigo and cellulitis can cause redness, swelling, pain, and pus, along with a bad smell. People with weak immune systems or poor blood flow are more likely to get these infections. If these infections are not treated, they can lead to serious problems, so it's important to see a doctor.

Yeast Infections

Yeast, which is a type of fungus, can also grow in your belly button, especially if it's warm and moist. According to the Cleveland Clinic a common type of yeast is Candida. Yeast infections can cause a sour, bread-like smell, along with redness and itching. Sweating a lot, wearing tight clothes, or taking antibiotics can increase your risk. People with diabetes or weak immune systems are also more likely to get yeast infections. These infections usually go away with antifungal creams, but it's important to keep the area dry to prevent them from coming back.

Cysts

Cysts are small, fluid-filled bumps that can form under the skin. They can happen when dead skin cells and oils get trapped in your belly button. Most of the time, these cysts are harmless and don't cause any problems. But sometimes, they can become infected, which can cause them to swell, become red, and release a gray or white discharge with a cheesy smell. If a cyst gets infected, it might need to be drained by a doctor.

Piercings

If you have a belly button piercing, it's very important to keep it clean. If you don't clean it properly, bacteria can build up around the piercing and cause an infection. Signs of an infection include pain, redness, swelling, and smelly pus. If the infection is not treated, it can spread to your bloodstream and cause serious health problems. Cleaning your piercing regularly with warm, soapy water can help prevent infections.

It can be confusing and sometimes alarming to receive different thyroid test results from two different laboratories, especially when both tests are done on the same day. A slight difference in values does not necessarily mean that your thyroid function has suddenly changed. In many cases, the variation is due to differences in how the tests are performed rather than a change in your health.

The Laboratory Can Make A Difference

One of the biggest reasons for varying results is the laboratory itself. Accredited laboratories, such as NABL-certified labs, follow stringent quality-control measures, use standardised testing protocols and have trained personnel to handle samples correctly. Laboratories with less rigorous quality standards may produce results that are less consistent.

Different Equipment Can Produce Different Results

The equipment and testing methods used can also differ from one laboratory to another. Different analysers, calibration techniques and testing kits can produce slightly different values for thyroid hormones such as TSH, T3, T4, Free T3 and Free T4.

Even the reference ranges printed on reports may not be identical because each laboratory establishes its own normal range based on the equipment used and the population it serves.

Also read: UK Approves Eli Lilly’s Foundayo: Is the GLP-1 Pill Better Than Wegovy, Mounjaro?

The Time Of Your Test Matters

The timing of the test is another important factor. Thyroid-stimulating hormone (TSH) naturally fluctuates throughout the day. It is generally higher during the early hours of the morning and gradually falls as the day progresses.

As a result, a blood sample collected in the afternoon may show a lower TSH level than one collected early in the morning.

Stress, Sleep And Medication Can Affect Results

Lifestyle and biological factors can also influence thyroid hormone levels. Stress, poor sleep, recent illness, medications and even eating before the test may affect the results.

For people taking thyroid medication, blood samples should ideally be collected in the morning on an empty stomach and before taking the daily dose. Testing after medication may temporarily alter hormone levels and make interpretation more difficult.

Also read: Why Women Want Hormonal Health Care, Not Just Pregnancy Care

Biotin And Other Medicines Can Interfere With Thyroid Tests

Certain supplements and medications can interfere with thyroid tests as well. Biotin, commonly found in hair and nail supplements, can falsely lower TSH levels while increasing Free T3 and Free T4 values.

Medications such as amiodarone, glucocorticoids, dopamine and heparin may also affect thyroid hormone measurements. During pregnancy, hormonal changes, particularly increased levels of human chorionic gonadotropin (hCG), can naturally alter TSH values.

Even Sample Handling Can Affect The Report

Laboratory handling also plays a role. Delays in processing, improper storage temperatures, differences in centrifugation timing or sample-handling errors can influence the final result.

In some individuals, thyroid autoantibodies may interfere with laboratory assays, potentially leading to inaccurate Free T3 and Free T4 measurements.

Also read: Silent Neck Swellings: Why An Unusual Lump Should Never Be Ignored

Should You Repeat A Thyroid Test?

Because of these variables, experts recommend getting thyroid tests done at the same accredited laboratory whenever possible. This allows doctors to compare results more reliably over time.

If a thyroid value is only mildly abnormal or falls within a borderline range, it may often be advisable to repeat the test before making a diagnosis or starting lifelong medication.

Ultimately, thyroid test reports should never be interpreted in isolation. Doctors consider the patient's symptoms, medical history, physical examination and repeat test results before deciding on treatment.

Consistency in where and how the test is performed can help avoid unnecessary anxiety and support more accurate clinical decisions.

By Dr Shaheen Guy, General Physician, Saifee Hospital, Mumbai

Robotic surgery has rapidly become one of the most talked-about advances in modern medicine. Yet, for many patients, the technology remains misunderstood.

The first thing to know is that the robot does not perform the operation. Every movement is directed by the surgeon. The robotic platform translates the surgeon’s hand movements into highly precise, tremor-filtered movements inside the body while providing magnified three-dimensional vision and greater instrument dexterity.

The real question, therefore, is not whether robotic surgery is better. It is whether it is the right choice for a particular patient, procedure and surgeon.

Where Robotic Surgery Can Make A Difference?

For many routine operations, conventional laparoscopy may achieve equally good outcomes. Technology should support clinical judgment, not replace it.

Patients should also recognise that outcomes depend far more on the experience of the surgical team than on the robotic system itself. Successful robotic surgery requires specialised training, structured credentialing and a coordinated operating theatre team.

Choosing an experienced surgeon can therefore be more important than choosing a hospital simply because it owns a robotic system.

Also read: 18-Year-Old In Critical Condition After Acidic Substance Allegedly Given Instead Of Anaesthetic During Surgery

Making Robotic Surgery More Accessible

Another important development is that robotic surgery is becoming more accessible. Indigenous platforms are helping expand advanced surgical care beyond a handful of metropolitan hospitals by making robotic programmes more viable for a wider range of healthcare institutions.

This gradual decentralisation means patients in Tier II and Tier III cities can increasingly access advanced minimally invasive surgery closer to home, reducing the need to travel long distances for specialised treatment.

Also read: Osteoporosis Drugs Offer New Hope For Back Pain By Blocking Disc Mineralisation: Study

Could Robotic Surgery Work Across Long Distances?

Innovation is also extending beyond the operating room. Robotic telesurgery, demonstrated successfully using Made-in-India robotic platforms, has shown that expert surgeons can operate across vast distances using secure digital networks.

While widespread adoption will require robust infrastructure and regulatory frameworks, the technology represents an important step towards improving access to specialised surgical expertise.

Also read: Surgeon Barred From Practice After Connecting Wrong Parts of Patient’s Bowels During Emergency Surgery

What Should Patients Ask Their Surgeon?

Patients should look beyond the hype and ask informed questions:

• Is robotic surgery appropriate for my condition?
• What experience does my surgeon have with this procedure?
• What are the expected benefits?
• What are the limitations and risks?
• Would conventional laparoscopy or open surgery be equally suitable?

With indigenous platforms helping decentralise robotic surgery, advanced care is becoming more accessible beyond major metros. The technology has also demonstrated the potential of interhospital telesurgery, enabling expert surgeons to operate across distances and potentially helping bridge gaps in access to highly skilled surgical expertise.

Ultimately, the future of surgery will not be shaped by machines alone. It will be shaped by skilled surgeons using intelligent technology to deliver safer, more precise and equitable patient care.

A cigarette after stress. Chewing tobacco during the day. Smoking to “calm the nerves”

But modern science is forcing us to confront the difficult truth; Tobacco does not treat mental health symptoms, in fact it quietly deepens it.

As Oncologists and physicians, we often see patients who say, “smoking makes them feel normal.” However, in reality, what they are experiencing is nothing more than the temporary relief from nicotine withdrawal not genuine emotional regulation.

Nicotine Creates A Cycle of Temporary Relief And Dependence

When we smoke or chew tobacco, nicotine stimulates dopamine release in the brain, creating a short-lived sense of relaxation or control. But overtime it leads to brain depending on nicotine to achieve the same baseline feeling again and again. The result is a vicious cycle of dependence, irritability, anxiety, and worsening emotional resilience.

Several large studies now show that long-term tobacco use is associated with higher rates of anxiety, depression, sleep issues and substance dependence. A 2023 review published in BMJ found that smoking cessation will result in improvements in both anxiety and depression and an improved mood with benefits comparable to antidepressant treatment in some individuals.

Also read: Lung Health After 40: Natural Changes, Warning Signs And Ways To Protect Your Lungs

Tobacco May Worsen Anxiety, Depression And Sleep Problems

This has serious implications for the urban Indian population in regard to the increasing prevalence of mental exhaustion, lack of social support, digital overload, work-related stress and lack of sleep. Tobacco often enters quietly during vulnerable moments of college pressure, workplace stress, loneliness, grief and gradually shifts from “social habit” to psychological crutch.

Although they think they believe in tobacco, many of them use it, thinking that they are using it to cope with their emotional symptoms, when in fact they are making the symptoms worse.

Also, recognize the biology of tobacco use. For example, the use of nicotine will result in long-term changes in how well your body handles emotional stress because of the role of long-term nicotine exposure in altering the system of cortisol regulation and the stress response pathways in neurons. So, with time, it will become harder and harder for a person to control his/her emotional response to stress because his/her body will not be able to do it. Thus, tobacco has a negative influence on the recovery process from emotional responses to stress, rather than a beneficial one.

Also read: Air Pollution May Increase The Risk Of Painful Rheumatoid Arthritis Flares, Study Finds

How Nicotine Alters The Body’s Stress Response?

Tobacco is a significant preventable risk factor for oral, head and neck, lung, oesophageal, pancreatic and bladder cancers. When many patients arrive at cancer centres, the addiction to tobacco is already set, and it is even more difficult to quit while receiving cancer treatment.

This is why it is important to help move the conversation on tobacco beyond cancer. Now, it's more than just a public health issue; it also includes issues of mental health. Individuals experiencing emotional difficulties should not think that they are being judged. They have to learn to find alternative coping strategies, get psychological support early on in their lives, sleep well, exercise, be part of the community, and access timely medical support. The goal of this care is not just to support someone in quitting tobacco, but to provide support for them to stop needing tobacco in order to feel good.

By Dr Amit Chakraborty, Consultant Oncologist, Saifee Hospital, Mumbai