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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.
Credit: The Longevity Gap: Why Living Longer Must Also Mean Living Healthier
Lifespan across the globe is increasing. More people are living to old age and spending more years in later life. This is a big societal achievement.
India, too, is witnessing this demographic shift. Life expectancy in India is expected to rise from about 72 years in 2023 to nearly 77 years by 2045, and it may reach 83 years by 2080. But the question here is whether this increased lifespan also translates into good health?
Even though people are living longer, the number of years they live in good health has not increased by the same amount.
People are now spending more years coping with health challenges that affect their independence, mobility, and quality of life. One of the key reasons behind this gap between lifespan and healthy years is the rising burden of chronic diseases in an ageing population.
Ageing is associated with a gradual deterioration of the immune system, a process called immunosenescence. As people enter their 50s, the body’s ability to respond quickly and effectively to bacteria and viruses decreases.
Its ability to produce antibodies reduces. It makes the body stay in a constantly inflamed condition, even in the absence of an infection.
This process is strongly linked to a higher risk of chronic conditions like diabetes, cancer, heart disease, or kidney disease.
These chronic conditions further weaken the already weakening immune system of the ageing adults. This, in turn, makes older adults vulnerable to various vaccine-preventable infections such as flu, shingles, and their complications.
In this phase of life, even a routine illness like the flu may lead to hospitalization or serious complications such as pneumonia.
Shingles, which is caused by the reactivation of the chickenpox virus and is far more likely to strike in older adults, can result in debilitating nerve pain that lasts for months.
The impact of these infections goes far beyond an individual’s physical suffering. When adults fall ill, the consequences extend to families and the broader healthcare system. There are medical bills, lost wages, caregiver responsibilities, and often a long road to recovery.
For older adults, infections can mean loss of independence or worsening of underlying health conditions.
At the system level, preventable hospitalizations lead to overcrowded facilities and diverted resources, putting additional strain on India’s already overburdened healthcare system.
India is shifting from being one of the world’s youngest societies to the world’s oldest.
It already has around 150 million older adults, making it the second-largest ageing population in the world. By 2047, this number is expected to double to nearly 300 million, and by 2067, India may have the largest population of older adults globally.
As this shift continues, protecting the health of ageing adults will become increasingly important for families, communities, and the healthcare system.
As life expectancy continues to rise, it is important to ensure that these added years are lived in good health.
Preventive healthcare measures such as balanced nutrition, regular physical activity, and adequate sleep, along with timely vaccination, can help achieve healthy ageing.
Vaccination works by stimulating the immune system to recognize and fight infections more effectively.
As immunity naturally weakens with age, adult vaccination can help strengthen the body’s defences and maintain protection against certain preventable diseases.
Adults, especially those entering their 50s and beyond, should speak with their doctors about recommended vaccinations and take timely steps to stay protected. Proactive preventive care can play an important role in supporting healthier, more active years later in life.
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Self-medication simply refers to the use of medicines without a prescription from a doctor. There are many reasons why individuals prefer to self-medicate, as it appears convenient.
For example, a person may choose to self-medicate for a headache using painkillers, take antibiotics for a fever, or anxiety pills due to high levels of stress.
Initially, self-medication will appear to be effective since pain is temporarily reduced. Nevertheless, the real problem lies in the dangers of self-medicating.
Though self-medication may provide relief to the patient temporarily, continuous usage of these medicines without the advice of a doctor will result in such health complications as chronic kidney disease, liver failure, stomach ulcers, as well as increase cardiovascular risks.
Ease of availability of medicines is the main reason why more people have started self-medication. Many individuals fail to visit doctors because of being too busy, believing that they can cure themselves of the illness, or fearing costs.
Nonetheless, constant usage of painkillers can negatively affect kidney function over time. Pain killers, which are not steroid-based anti-inflammatory medicines, limit the flow of blood in the body's kidneys and, therefore, prevent them from performing properly. According to recent research, excessive and long-term use of NSAID painkillers can significantly increase the risk of developing chronic kidney disease over time.
In the early stages, most people do not experience major symptoms. With time, people see noticeable signs such as swelling, fatigue, nausea, reduced urination, or high blood pressure appear; the kidney may already be affected.
People with diabetes, hypertension, or existing kidney problems are at an even greater risk. Another growing concern is that many people do not follow the right dosage while taking painkillers. Fast-paced lifestyles, work pressure, lack of sleep, and easy access to online medical information have encouraged more people to self-diagnose and self-medicate.
Health experts also warn that social media and online health trends are making self-medication more common than before. Many people are increasingly relying on self-medication for quick relief. People use YouTube videos, websites, advice from bloggers, and home remedies proposed by famous personalities without verifying their validity and reliability regarding health concerns.
However, although the advice provided might seem innocent and insignificant, following this advice could make patients' conditions worse rather than better. Moreover, a remedy that helps an individual might not help someone else due to certain factors like age, existing illness, etc.
Doctors advise that medicines should never become a substitute for proper medical care. A few lifestyle modifications, like sleeping at the right time, eating properly, exercising, and managing stress, can go a long way in dealing with small health problems. Seeking professional advice before taking medicines regularly is important, especially for people with existing health conditions.
While self-medication may seem like an easy solution at the moment, its hidden consequences can become serious over time. What feels like a readily available solution right now could gradually turn out to be a serious medical concern in the future.
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Many people carry the thalassemia gene without knowing it because they may not have any symptoms. A simple carrier screening test before pregnancy can help couples understand risks and make informed decisions while planning parenthood.
Parenthood planning today is not only about financial preparation or healthy lifestyle changes, but also about understanding genetic health risks that can impact the child’s future. And one such condition that tends to go unnoticed is thalassemia carrier status.
Did you know? Many individuals discover they are carriers only after facing difficulties during pregnancy or after the birth of a child with thalassemia major.
Thalassemia is an inherited blood disorder that affects the production of hemoglobin, the protein in red blood cells that carries oxygen throughout the body. People who are carriers usually live normal and healthy lives and may not experience major symptoms. Because of this, many remain unaware of their carrier status for years.
However, it becomes a matter of concern when both partners are carriers of the thalassemia gene. In such cases, there is a huge risk that the child may inherit thalassemia major, a severe condition that may require lifelong blood transfusions, regular hospital visits, medications, and continuous medical care.
These are some of the challenges faced by families: So, challenges are that the thalassemia carrier status is often detected very late. Mild tiredness or anemia may be ignored or mistaken for iron deficiency, and many will not seek help.
So, couples do not consider genetic testing before marriage or pregnancy because they feel healthy and have no family history of the disease. When a child is born with thalassemia major, families may face stress, anxiety, repeated hospital visits, financial burden, and long-term treatment responsibilities. The condition can also affect the child’s growth, immunity, and overall quality of life.
This is why screening is important for couples: Carrier screening is a simple blood test that helps identify whether a person carries the thalassemia gene. If one partner tests positive, the other partner is advised to get tested as well.
Early screening before pregnancy helps couples understand their risks and explore available options with proper guidance. Thalassemia carrier screening is a small step that can make a major difference in parenthood planning.
Increasing awareness and encouraging timely testing can help families make informed decisions and reduce the burden of severe thalassemia in future generations. So, it is imperative to go for timely screening as advised by the expert and improve the quality of life.
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