We have all seen movies where right before the hero starts fighting, he cracks his knuckles and makes it look like the coolest thing in the world! But then our parents told us that you should not crack your knuckles because that weakens your grip and hand strength. But is that true? While many people do say that they experience a small loss in strength immediately after they crack their knuckles, but are their long-term effects to it? And what is the sound actually coming from?

The reason why people crack their fingers is because the evident and sharp crack noise causes a sense of relief. Many people also do it when they have done an activity that required them to work with their hands a lot like typing or sewing, giving themselves a sense of satisfaction, similar to stretching after doing hard work. That "crack" sound can make some people cringe, while others find it strangely satisfying. Cracking your knuckles is a pretty common habit, but there are a lot of misunderstandings about it. Some people do it without even thinking, others can't stand the noise, and some can't crack their knuckles at all. You might have been told as a kid that it causes arthritis or makes your fingers swell up. But those are just old wives' tales. There's a real science behind this habit, and it's more interesting than you may think.

Why Do Knuckles Make That Popping Sound?

The "crack" isn't actually bones breaking or anything bad happening to your joints. It's a normal thing called "crepitus." This just means harmless popping, snapping, or grinding sounds that come from your joints. The main reason you hear this sound is because of gas bubbles in the fluid that cushions your joints. This fluid is called synovial fluid. When you move or stretch, these tiny bubbles form and then pop, making the sound. It's totally normal and doesn't hurt you. Sometimes, especially in bigger joints like your knees, shoulders, or ankles, the sound can also happen when the stretchy tissues that connect your bones (ligaments and tendons) move slightly and then snap back into place.

After you crack your knuckles, you can't usually do it again right away. You have to wait a bit. That's because the gas bubbles in your joint fluid have already popped, and it takes a little while for them to build up again. While cracking your knuckles doesn't give you arthritis, doing it too much might cause some problems. Doctors say that cracking them too often could make your joints a little wobbly and might even make your grip weaker. Also, if the stretchy tissues in your joints keep snapping over your bones, they can get irritated and sore.

When Joint Popping Might Mean Something More

Sometimes, a pop in your joint is just like cracking your knuckles, nothing to worry about. But other times, it can be a sign of something else. As we get older, the cushiony stuff in our joints, called cartilage, can start to wear down. This cartilage helps your bones move smoothly. When it gets thin or uneven, the bones can rub together, and that can make a grinding or popping sound. This is different from the pop you get from gas bubbles. If this grinding sound happens along with pain, it could be a sign of osteoarthritis. This is a type of joint problem that's more common in older people, but younger people can get it too, especially after a joint injury. If your joints hurt, especially in the morning or after you've been sitting still for a while, feel wobbly, or are hard to move, it's a good idea to see a doctor.

Amid increasing contamination and adulteration of food products, India’s food regulator has introduced new safety standards across a wide range of foods such as besan (gram flour), edible and cold-pressed seed oils, as well as prawns.

The draft regulations by the Food Safety and Standards Authority of India (FSSAI) cover heavy metals, toxins, antibiotic residues, and quality standards for both commonly used foods and emerging edible products, the Times of India reported.

The new regulations are expected to come into force on December 1.

What Has Changed Under The New Rules?

Under the new rules, the FSSAI has:

• Expanded contamination standards related to lead and cadmium to include pulse flours such as besan and packaged mixes in addition to pulses.
• Updated limits for aflatoxins — toxic substances produced by certain fungi — in oils, oilseeds, and ready-to-eat oilseed products.
• Revised testing norms for arsenic in fish oils and updated standards for saffrole, a naturally occurring substance found in foods and beverages containing nutmeg and mace.
• Introduced residue limits for antibiotics such as trimethoprim and oxolinic acid in seafood products, including shrimps, prawns, and fishery products.

New Standards For Seed Oils And Edible Seeds

In a separate draft notification, the FSSAI proposed quality and safety standards for lesser-used edible oils made from chilli, tomato, muskmelon, and okra seeds as demand rises for cold-pressed oils, seed-based snacks, and plant-based nutrition products.

The proposed norms require these oils to remain free from adulteration, harmful impurities, rancidity, and mineral oil contamination, while also prescribing limits for moisture, acidity, and metal content.

Also read: Can Beetroot Juice Help Lower Blood Pressure?

The draft rules also cover edible seeds such as watermelon, cucumber, pumpkin, sunflower, sesame, and flaxseed sold in raw, roasted, or salted forms, requiring them to be clean and free from insects, fungus, and visible contamination before sale.

FSSAI has invited public comments on the draft regulations for 60 days before finalization.

Crackdown On Food Adulteration

In Ghaziabad, the state food regulator seized 10 quintals of suspected paneer stored in unhygienic conditions. With contamination risks high, the joint team swiftly sampled the batch and destroyed the entire 1,000 kg consignment.

In Muzaffarnagar, food safety officials inspected an ice cream outlet. The drive focused on ice creams and ice candies to ensure they met regulatory standards. A total of three legal samples were collected.

Read More: Are Mangoes Safe for Oral Cancer Patients?

How Adulterated Foods Can Affect Your Health?

The FSSAI noted that hidden adulterants in everyday food can create serious concerns for consumers.

Food adulteration happens when there is an intentional addition of foreign or inferior substances to original food products.

A 2024 study published in SAGE Open Medicine noted various health impacts of adulterated food, including:

• Cancer
• Lathyrism
• Liver disease
• Cardiac failure
• Kidney disease
• Nervous system-related diseases

The study also noted that adulteration could lead to allergic reactions. Pregnant women, children, and the elderly are more prone to developing illnesses if adulterated food is consumed.

Do you smoke herbal cigarettes believing they are “natural”, “chemical-free”, and “tobacco-free”? You may be mistaken. New research, ahead of World No Tobacco Day 2026, has raised concerns over the growing popularity of herbal cigarettes, suggesting that herbal cigarettes are not safer than conventional cigarettes and may be equally harmful to health.

The new joint study by the Indian Institute of Technology Gandhinagar (IITGN) and the University of Illinois Urbana-Champaign (UIUC), US, has found that herbal cigarettes can produce emissions comparable to — and in some cases more harmful than — those generated by tobacco cigarettes.

The study, published in the Journal of Hazardous Materials, highlight significant health concerns surrounding herbal smoking products, many of which currently fall outside India’s primary tobacco control laws.

Leaf-wrapped Herbal cigarette Most Hazardous

The study compared emissions from two of India’s best-selling tobacco cigarette brands and four popular herbal cigarette varieties containing ingredients such as basil, clove, cinnamon, mint, green tea, water lily, and chamomile.

Two of the herbal products also used tendu (ebony) leaves as wrappers — the same material commonly used in bidis, India’s most consumed smoking product.

Also read: Global Temperatures Likely To Stay Near Record Levels For Next Five Years: WMO

Researchers analyzed the physical, chemical, and oxidative properties of mainstream smoke generated from the products. According to the study, herbal cigarette smoke released extremely fine particles and toxic compounds at levels similar to or exceeding those found in tobacco smoke.

“Our findings challenge the widely held belief that tobacco-free means risk-free. Emissions from herbal cigarettes are comparable to or exceed those from tobacco cigarettes on nearly every metric we measured. Leaf-wrapped herbal variants turned out to be the most hazardous of all the samples tested,” said Prof. Sameer Patel, Assistant Professor at IITGN’s Department of Civil Engineering and Chemical Engineering.

Fine Particles And Oxidative Stress

Further, the researchers combusted each cigarette inside a sealed automated two-chamber system designed to mimic human inhalation patterns, to decode particle size, chemical composition, and oxidative potential.

Shockingly, the team found that particles smaller than 500 nanometers — associated with cardiovascular and respiratory diseases — were emitted at nearly 20 per cent higher concentrations in herbal cigarette smoke compared to tobacco smoke.

The study also measured the “oxidative potential” (OP) of smoke particles — a marker of their ability to generate reactive oxygen species that contribute to inflammation, lung damage, and vascular disease.

According to the researchers, particulate matter from herbal cigarettes showed significantly higher oxidative potential than tobacco cigarettes. Tendu-leaf-wrapped variants recorded OP levels nearly 49 per cent higher than paper-wrapped products.

Notably, one basil-filled herbal cigarette marketed as “100% natural” and “chemical-free” showed the highest lead concentration among all products tested.

Prof. Vishal Verma, Associate Professor of Environmental Engineering at UIUC and co-author of the study, said the results are particularly significant because many consumers believe nicotine-free products are less harmful.

“That finding is important because many consumers associate nicotine-free products with reduced harm,” he said.

Concerns Over Regulatory Gaps

Read More: Can Sugary Drinks Cause Brain Aging?

Researchers also pointed to regulatory loopholes surrounding herbal cigarettes. India’s Cigarettes and Other Tobacco Products Act (COTPA), 2003, regulates tobacco products through health warnings, advertising restrictions, and public smoking rules. However, many products marketed as tobacco-free do not fall under the same regulatory framework.

Lead author Dr. Alok Kumar Thakur said several herbal cigarette brands claim therapeutic benefits, including relief from cough, anxiety, and sleep problems, despite limited scientific evidence on their safety.

“However, there is limited scientific evidence evaluating the emissions and toxicological impacts of these products,” he said.

The findings also align with the World No Tobacco Day 2026 under the theme, “Unmasking the appeal: countering nicotine and tobacco addiction.”

The researchers stressed the urgent need for evidence-based regulation and stricter oversight of alternative smoking products to prevent misleading health claims and protect public health.

Digestive disorders are becoming a global health issue affecting millions of people of all ages all over the world. Conditions such as acid reflux, fatty liver disease, irritable bowel syndrome, inflammatory bowel disease, constipation, and colorectal cancer are becoming more prevalent on a steady basis, fueled by changing diets, sedentary lifestyles, stress, poor sleep, alcohol consumption, and increasing obesity rates.

Early Symptoms Often Ignored

But digestive symptoms are often ignored until they are severe. Bloating, ongoing acidity, irregular bowel habits, abdominal discomfort, unexplained weight loss, or chronic fatigue are often brushed aside as temporary problems. In many cases, these early signs are reflective of an underlying gastrointestinal disease that is amenable to timely intervention.

Why Digestive Health Matters

This is a particularly important problem because digestive health impacts far more than just the stomach or intestines. The gut is key to immunity, metabolism, nutrient absorption, hormone regulation, and even mental health.

Damage to the gut can therefore impact many systems in the body. Colorectal cancer is diagnosed more frequently in younger adults worldwide, and fatty liver disease is one of the fastest-growing metabolic disorders worldwide. The increase in ultra-processed foods, reduced intake of fiber, and sedentary lifestyles have also played a part in digestive dysfunction in developed and developing countries alike.

This shift is also changing the way health care systems address preventive care and patient engagement.

Early screening, continuous monitoring, digital health tools, and data-driven care models are gaining importance in identifying digestive disorders before complications escalate.

Growing Role Of Preventive Care And Technology

As healthcare moves towards being more personalized and preventive, technology-enabled patient engagement and longitudinal health tracking are taking on a greater role in improving outcomes and supporting long-term disease management. Late diagnosis is still a big problem.

Many GI diseases develop silently for years before complications arise. For example, fatty liver disease can progress to liver inflammation or fibrosis without symptoms.

Similarly, inflammatory bowel diseases and gastrointestinal cancers are often more challenging to treat when diagnosed late. Diet also continues to be central to digestive health. Eating a diet high in fiber, staying well hydrated, getting enough physical activity, and eating less ultra-processed foods will promote healthy gut function and reduce risk over the long term.

World Digestive Health Day

World Digestive Health Day is a reminder that digestive symptoms shouldn’t be ignored or normalized. Early attention, timely diagnosis, and preventive care can greatly reduce the long-term burden of digestive disease worldwide.

(By Dr. Ashish Gautam, Principal Director, Robotic and Laparoscopic Surgery, Max Super Speciality Hospital, Patparganj, New Delhi)