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The world that we live in is filled with sounds, some are comforting and some could be jarring too. But what if the constant noise surrounding us is doing us more harm than we realize? There has been immense research that shows that noise is not just a nuisance, but a silent killer and affects our health in ways we do not even know. There are associations of sound causing heart attacks, type 2 diabetes, and dementia.
Noise is seen as an annoyance, but it effects can go beyond what we imagine. When we hear a sound, it travels through the ear to the brain. This is where it gets processed by the amygdala. It is a region that is responsible for emotional responses. This also triggers a stress response- our heart rate increases, our blood pressure rises, and stress hormones like cortisol flood our system.
This response is also designed to help us react to immediate threats. Especially, if we hear the sound of a predator approaching. However, when we are exposed to constant noise, this response is triggered repeatedly and could compel us to live in a long-term anxious state.
Many studies including Harvard Health and theAmerican College of Cardiology have found associations of noise with health problems including putting a person at a higher risk of cardiovascular diseases such as heart strokes, attacks, and high blood pressure. The constant activation of the stress response can take a toll on the body, increasing inflammation and making it harder for the heart and circulatory system to function properly. Over time, this can lead to serious health conditions like heart disease and diabetes.
Even more troubling, research suggests that noise pollution may contribute to mental health issues. Studies have found a strong connection between exposure to noise and disturbed sleep, which in turn can cause anxiety, depression, and cognitive decline. The World Health Organization estimates that noise contributes to around 12,000 premature deaths annually across Europe alone. This invisible threat, however, is often overlooked because the effects are gradual and cumulative.
One of the most insidious aspects of noise pollution is its impact on sleep. Even when we are asleep, our bodies are not fully immune to the effects of sound. Our ears never fully “turn off,” meaning that even faint noises can disrupt our sleep cycle. Research has shown that people who live in noisy environments—whether near busy roads, airports, or urban centers—often experience fragmented sleep, leading to fatigue and a weakened immune system. Over time, this chronic lack of restful sleep can lead to significant health problems, including an increased risk of developing cognitive disorders such as dementia.
As cities continue to grow, noise pollution is becoming more widespread. Traffic noise, in particular, is one of the most common and harmful sources. The rise of urbanization means more cars, buses, and trains, all of which contribute to an ever-increasing din. This urban soundscape is often relentless, with little respite for those living within it. In densely populated cities, people are exposed to high decibel levels, which can exceed safe thresholds for heart health. In many cases, the sheer volume of sound is not just unpleasant; it’s dangerous.
The solution is not as simple as reducing noise in our immediate surroundings, though efforts to reduce traffic noise and limit industrial sounds are essential. Some cities have taken steps to create quieter spaces by converting busy roads into pedestrian zones or installing noise barriers. These measures have shown to have a positive impact on public health, with research suggesting that even small reductions in noise can prevent premature deaths and improve overall well-being.
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According to the Indian Council of Medical Research - National Cancer Registry Programme (ICMR-NCRP), India reports about 220,000 new cases every year, and the common treatment procedure for this disease is chemotherapy, which comes with profound fatigue, hair loss, nausea, compromised immunity, and nerve damage.
The University College London led the Optima trial, which studied over 4000 patients with the disease in different parts of the world, and a low score on the genomic test could be mediated with only hormone therapy.
The trial’s chief investigator and a professor of breast oncology at UCL, Professor Rob Stein, explains that the study used tumour biology to guide decisions instead of relying on traditional clinical procedures.
The research had 4,429 women participants above the age of 40 years with hormone-positive breast cancer. These patients were then divided into two groups based on the genomic test results by the researchers, and one group with a higher risk was given chemotherapy along with hormone therapy, while the others were only treated with hormone therapy.
Breast cancer refers to the uncontrolled growth of the cells that are found along the inner lining of breast tissue. This out-of-control growth of cells leads to the formation of tumours. The tumour can be “invasive”, meaning that it spreads to the nearby tissues outside the breast, or “in situ”, where the tumour does not spread outside the breast region.
Usually, the “in situ” type of tumour is non-cancerous and non-life-threatening. However, in the case of invasive tumours, the cancerous cell mass can spread to the lymph nodes and further metastasise, that is, spread to other body parts. About 80% times the breast cancer cases are invasive. Hence, upon noticing symptoms like lumps, changes in breast shape, or abnormal nipple discharge, you must promptly consult a doctor.
While both men and women can develop it, in 99% of cases of breast cancer, women are seen to be affected by it. Only 0.5 to 1% of men are affected due to this condition. Furthermore, the condition is mostly prevalent in women aged 50 or older.
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After the advent of Ozempic-like drugs, the treatment of obesity has completely changed. Millions of people throughout the world use the medication either for obesity or diabetes. Although there were always concerns among medical professionals that the medication not only reduces fat but also lean muscle, which in turn leads to health loss, as muscle is very important to long-term health.
Now, a new study presented at the European Atherosclerosis Society (EAS) Congress 2026 claims that this vital minus point of the drug, causing lean fat loss, can be mended by pairing it with exercise. The study suggests that combining the drug with exercise can lead to better fat loss, while the muscle will also stay protected. Though the study was done on animals, further research on humans is required.
The researchers studied mice with obesity, insulin resistance, fatty liver disease, and atherosclerosis. The animals were divided into groups and given semaglutide. After 14 weeks, it was found that the drug alone reduced fat by 31 percent but also caused muscle loss, while when the medication was given with exercise, it caused fat loss by 45 percent, and lean mass loss was minimal.
The first thing to remember here is that Ozempic is a brand-name medicine that contains semaglutide as its active ingredient. Semglutide is the synthetic version of GLP-1, a natural hormone produced in the intestines that regulates blood sugar, appetite, and digestion. Now, every time you eat, your body produces various hormones, including GLP-1. These are called post-nutrition hormones and help you absorb the energy you just consumed.
GLP-1 travels to your pancreas, prompting it to produce insulin. It also travels to the hypothalamus in your brain, which gives you the feeling of being full or satiated. Ozempic imitates this hormone, thereby silencing the food chatter in the brain. Interestingly, for some people this food chatter is really quiet ( people with low appetite), and for others it is an outburst (people who generally binge eat). So with Ozempic, silencing this self-talk in the brain, people tend to lose their appetite and eventually weight.
However, it is important to note that losing weight includes not just fat but muscle as well. Losing too much muscle can lead to reduced strength and a shorter life span. Notably, records show that most people who start taking them stop them at 12 weeks; therefore, it is important for some but not for others.
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Ice cream is a sweet and delicious dessert loved and enjoyed by millions every day, and summers without this soothing treat are unimaginable, but some get a sharp stabbing pain after they have it. This headache is brain freeze, and it can reveal a lot about your health condition.
Amaal Starling, a neurologist at the Mayo Clinic in Minnesota, in the US, says, "Ice cream headache is very, very common." She added, "It's harmless, it comes, and it goes."
Scientists refer to brain freeze or ice cream headache as a cold-stimulus headache. According to the researchers, the reason for this condition is "rapid cooling at the roof of the mouth, or even in the very back of the throat". This cooling causes the blood vessels to shrink quickly after they return to their normal state. Which is the source of pain?
The research indicates that brain freeze seems to run in families. Though it also gets affected by your non-ice cream headaches, as people with migraines tend to feel far worse pain in brain freeze than others.
Stress Headaches
Stress headaches, also known as tension headaches, usually feel like a tight band squeezing your head. They are commonly caused by long working hours, lack of sleep, dehydration, or anxiety. However, these headaches generally go away with simple fixes, like rest, water, and relaxation techniques like yoga or meditation.
Migraines
Migraines often cause throbbing pain on one side of the head, along with nausea, vomiting, or sensitivity to light and sound. Some people also experience visual disturbances known as ‘auras’, flashes of light or zigzag patterns, before the headache even begins. They can last for hours or even days and may seriously impact the quality of life. Unlike stress headaches, migraines often need specific medication and lifestyle management.
Not every headache is about stress or migraines. Sometimes, a headache is a warning siren for something far more dangerous. Headaches can also indicate conditions such as high blood pressure, brain infections, stroke, or tumours. The red flags to look out for include:
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