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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.
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.
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.
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In today’s hyper-connected world, access to health information has never been easier. Yet, ironically, the ability to understand and apply that information remains one of the biggest barriers to better health outcomes.
This is where health literacy comes in, not just the ability to read a pamphlet or follow a doctor’s prescription, but the broader skill of accessing, comprehending, and using health information to make informed decisions for oneself, one’s family, and one’s community.
While definitions vary, there is consensus that health literacy is multi-dimensional. It involves confidence, critical thinking, and practical skills, knowing when to seek care, how to evaluate health claims, and how to follow treatment correctly. In essence, health literacy is the foundation of preventive care and treatment adherence, and its absence can be devastating.
The scale of the problem in India is stark: nearly 90 percent of Indians have low health literacy. This gap directly affects patient outcomes, from delayed diagnoses and poor compliance with treatment to preventable complications and higher healthcare costs.
Several factors explain this reality:
Low health literacy doesn’t just harm individuals; it amplifies inequities and strains the entire healthcare ecosystem. It also worsens misinformation, as people turn to social media or word-of-mouth for guidance, often encountering unverified or unsafe advice.
Certain health check ups can help improve the chances of conception. (Photo credit: iStock)
Planning for pregnancy is an important step that requires proper health preparation for both partners. Preconception health screening helps couples understand fertility status and detect any underlying health issues. Doctors recommend that couples undergo certain medical tests before trying to conceive so that any health concerns can be identified and managed early. Here are some of the tests before pregnancy that can help couples identify potential risks early and improve the chances of a healthy pregnancy. Couples should opt for these tests without fail to ensure a smooth pregnancy.
While many people focus on health during pregnancy, preparing for pregnancy is also equally important. By opting for some crucial tests, couples can improve their chances of a smooth pregnancy and reduce the risk of complications.
Dr. Payal Narang, Consultant Obstetrician & Gynaecologist, Motherhood Hospital, Lullanagar, in an interview with Health and Me, listed some of the important health check-ups for men and women that must be considered before pregnancy.
Couples should follow the advice given by the doctor and take these tests for a smooth pregnancy.
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Blockbuster drug Ozempic, known for treating type 2 diabetes and obesity, has a surprising side effect. A new study published in The Lancet Psychiatry showed that the GLP-1 receptor agonists might prevent worsening of depression and anxiety.
People with diabetes or obesity are generally more likely than the general population to suffer from depression and anxiety. It is because both diabetes and obesity increase the risk of mental ill-health, and vice versa.
The findings showed that people with diabetes using semaglutide had a substantial decrease in hospitalizations and sick leave due to mental illness, including less worsening of depression, anxiety, and self-harm.
“Our findings suggest that GLP-1 drugs, particularly semaglutide, might contribute to better mental health in people with diabetes and obesity, but since this was an observational study, controlled clinical trials are needed to confirm the results,” said Jari Tiihonen, specialist physician and professor at the Centre for Psychiatry Research, Karolinska Institutet.
The research, led by an international team from Griffith University, the Karolinska Institutet, and the University of Eastern Finland, tracked Swedish national registers between 2009 and 2022.
It included 95,490 people, of which GLP-1 receptor agonists were used by 22,480 individuals during the follow-up period.
Semaglutide was associated with a decreased risk of worsening
Patients using semaglutide experienced a 42 percent lower risk of hospitalization for mental health issues during periods of use, compared to periods when they were not taking the drug.
More specifically, the risk reduction was 44 per cent for sickness absence or hospital care due to depression, 38 per cent for anxiety disorders, and 47 per cent for substance use.
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The team also found some benefits with Liraglutide. The drug was associated with an 18 per cent lower risk of sickness absence and hospital care due to psychiatric reasons.
Semaglutide works as a GLP-1 receptor agonist that mimics the GLP-1 hormone to regulate appetite and blood sugar. It slows gastric emptying and makes you feel fuller longer. It also signals the brain to reduce hunger and cravings, and triggers the pancreas to release insulin when blood sugar is high.
They work by increasing insulin release in a glucose-dependent manner, decreasing the liver's production of glucagon, and slowing down the emptying of the stomach, which helps lower blood sugar levels after a meal. They also act on the brain to suppress appetite and increase feelings of fullness, leading to reduced calorie intake.
Read More: Can Semaglutide Help Fight Cancer In The Brain?
In people with type 2 diabetes, notes Harvard Health, the body's cells are resistant to the effects of insulin and the body does not produce enough insulin, or both. This is when GLP-1 agonists stimulate the pancreas to release insulin and suppress the release of another hormone called glucagon.
These drugs also act in the brain to reduce hunger and act on the stomach to delay emptying, so you feel full for a longer time. These effects can lead to weight loss, which can be an important part of managing diabetes.
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