Can't leave your house without your earphones, airpods or headphones? Well, you aren't alone. There are millions of others who feel the same. However, do not be surprised if I tell you that it may lead to memory loss and dementia. According to the National Library of Medicine, the auditory nerve, which carries sound signals to the brain, when constantly bombarded with loud noises, starts transmitting weaker signals. This forces the brain to work harder to interpret the sound, leading to cognitive overload. Prolonged cognitive strain can eventually pave the way for dementia and memory loss.

Long-term headphone use also affects brain function directly. High decibel levels of noise can damage the insulation of nerve fibres that carry auditory signals to the brain, disrupting the flow of information. Moreover, the electromagnetic waves produced by headphones have been linked to problems like headaches, fatigue, and, in some cases, neurological discomfort.

Beyond The Brain, Headphones Can Make You Deaf

Empirical evidence shows that nearly one billion young people are at risk of hearing loss due to excessive exposure to loud music through headphones. For the uninitiated, sound intensity is measured in decibels. Prolonged exposure to noise above 85 decibels can be harmful to hearing. Music listened to at maximum volume using headphones often falls in the range of 85 to 120 decibels, a level capable of causing significant hearing damage over time.

Studies Show The Ill Effects

According to a recent survey in the UK, a staggering 65% of students admitted to listening to music at maximum volume through their headphones. A similar study revealed that adolescents exposed to high noise levels via headphones in noisy environments experienced a hearing loss prevalence of 22.6%. Those who used earphones for 80 minutes or more per day had a hearing loss prevalence of 22.3%. These figures are alarming, especially given how ingrained headphone use has become in daily life.

The ramifications of early-onset hearing loss go far beyond damaged ears. It can also jeopardize your mental health. Hearing loss in youth can set off a chain reaction, leading to social isolation and depression. Over time, it can also escalate and jeopardise your relationships. Ill-fitting headphones add to the woes, causing pain that extends from the inner ear to the jaws and top of the head. They can also lead to ear infections, which eventually hamper cognitive functions.

Protecting hearing and brain health requires a shift in listening habits. Experts recommend keeping the volume below 60 per cent and limiting usage to 60 minutes per day. Investing in noise-cancelling headphones can also help reduce the need to crank up the volume in noisy environments.

While there have been meaningful improvements in global health over the past decade, in larger terms, the global health progress continues to be ‘fragile and insufficient’, warned the World Health Organization (WHO) in its new report.

The World Health Statistics 2026 report calls for stronger systems to protect progress.

WHO highlighted several major improvements between 2010 and 2024, including:

• New HIV infections dropped by 40 per cent
• Tobacco and alcohol consumption declined globally
• The number of people needing treatment for neglected tropical diseases fell by 36 per cent

• 961 million people gained access to safe drinking water
• 1.2 billion gained access to sanitation
• 1.6 billion gained access to basic hygiene
• 1.4 billion people gained access to clean cooking solutions

Major Challenges Persist

Despite progress, several global health challenges continue to worsen. These include:

• Malaria incidence has risen by 8.5 per cent since 2015,
• Anemia still affects 30.7 per cent of women of reproductive age, with little improvement over the last decade.
• Childhood overweight prevalence also reached 5.5 per cent in 2024.

“These data tell a story of both progress and persistent inequality, with many people – especially women, children and those in underserved communities – still denied the basic conditions for a healthy life,” said Dr Tedros Adhanom Ghebreyesus, WHO Director-General.

“Investing in stronger, more equitable health systems, including resilient health data systems is essential to target action, close gaps and ensure accountability,” he added.

Also read: Another Norovirus Outbreak Confirmed Aboard Cruise Ship In France; Over 1,700 People Trapped

Urgent Need To Protect Progress

The report stressed the urgent need to strengthen universal health coverage (UHC), noting that 1.6 billion people were pushed into poverty due to out-of-pocket healthcare expenses in 2022.

Vaccination coverage also remains below target, contributing to recent measles outbreaks in countries including the US and Bangladesh.

Although maternal mortality has fallen by 40 per cent since 2000, it still remains nearly three times above the 2030 target. Progress in reducing premature deaths from noncommunicable diseases has also slowed since 2015.

Air pollution caused an estimated 6.6 million deaths globally in 2021, while poor water, sanitation, and hygiene contributed to 1.4 million deaths in 2019.

“These trends reflect too many deaths that could have been avoided,” said Dr Yukiko Nakatani, WHO Assistant Director-General for Health Systems, Access and Data.

“With rising environmental risks, health emergencies, and a worsening health financing crisis, we must act urgently – strengthening primary health care, investing in prevention, and securing sustainable financing to build resilient health systems and get back on track.”

Gaps In Health Data

The WHO report also flagged major gaps in global health data collection.

By the end of 2025, only 18 per cent of countries were reporting mortality data to WHO within one year, while nearly one-third had never submitted cause-of-death data.

Of the estimated 61 million deaths globally in 2023, only about one-third included cause-of-death information, and just one-fifth had properly coded International Classification of Diseases (ICD) data.

"While global health efforts are delivering results, progress is fragile and insufficient," stated the report, while stressing the need for accelerated action, stronger health systems, and improved data to renew progress toward the 2030 health goals.

When the name misleads, the disease remains misunderstood. Hence, endocrinologists now propose renaming PCOS as Polyendocrine Metabolic Ovarian Syndrome or PMOS.

This is because the term “Polycystic Ovarian Syndrome” is considered a misnomer. The name makes it sound like the condition is only related to the ovaries. However, over 30% of such patients have normal ovaries. The root lies in the hypothalamus, pituitary, adrenals, pancreas, and adipose tissue — truly polyendocrine.

The cysts in the name are actually antral follicles. The real burden is insulin resistance, dyslipidemia, NAFLD, and a 2-fold higher cardiovascular risk by age 50.

Not just reproductive: PCOS is India’s commonest endocrine disorder — 1 in 5 young women. It drives diabetes, hypertension, depression, and infertility.

PMOS, the acronym, expands as:

P — Polyendocrine: HPO axis + adrenal + insulin + leptin dysfunction

M — Metabolic: Insulin Resistance, obesity, fatty liver, CVD risk

O — Ovarian: Anovulation, hyperandrogenic ovarian dysfunction remains key

S — Syndrome: Heterogeneous, lifelong

This aligns with the 2023 International PCOS Guideline that defines it as a “metabolic + reproductive + psychological disorder”. Yet patients are still told, “You just have cysts.” PMOS reminds every physician to check OGTT, lipids, BP, and mental health at age 18, not 45.

The bottom line is that by changing the name, it is possible to change the game. When a 16-year-old hears “Polyendocrine Metabolic Ovarian Syndrome”, she understands it’s not vanity or infertility alone.

India is better prepared to deal with potential Hantavirus outbreaks due to the healthcare infrastructure and quarantine systems established during the COVID-19 pandemic, according to Dr NK Ganguly, former Director General of the Indian Council of Medical Research (ICMR).

In an exclusive interview with HealthandMe, Dr Ganguly said that while isolated cases of Hantavirus have appeared in India in the past, especially in crowded peri-urban and urban settings in Kerala, large-scale outbreaks have largely been reported in countries such as China, Argentina, the UK, and the US.

Dr Ganguly said that India's healthcare system significantly improved after the deadly COVID pandemic.

“India is overprepared in a way that during the COVID-19, our system, even at the district level or in much more rural settings, got established,” he said.

He pointed out that hospitals now have access to ECMO, BPAP systems, ventilators, and oxygen management facilities to curb the spread in case of an outbreak.

Dr Ganguly also mentioned the availability of antiviral drugs and experimental vaccine efforts that could potentially be explored for hantavirus treatment. “There are some crude vaccines which are made here also,” he said.

He added that India’s quarantine systems and public health drills developed during COVID-19 would also help contain future outbreaks.

“I think India will be okay because of the sheer transmission dynamics of this virus,” he said.

Hantavirus is a zoonotic disease that primarily gets transmitted through contact with infected rodents or exposure to their urine, droppings, and saliva, though rare cases of person-to-person transmission have also been reported.

According to the World Health Organization (WHO), 11 cases — including three deaths — have been confirmed so far. However, additional suspected and confirmed cases are likely to emerge across countries.

Also read: Hantavirus Can Linger Indoors, Spread Through Contaminated Dust, Says Infectious Disease Expert

Importance Of One Health

The One Health approach is critical in understanding and containing outbreaks like hantavirus, Dr Ganguly said.

The One Health approach, which integrates human health, animal health, and environmental monitoring, is also crucial to target the emerging infectious diseases, he noted.

Further, the noted microbiologist stressed the importance of strengthening surveillance across humans, animals, and the environment.

He explained that disease surveillance requires collaboration between bird specialists, forest experts, environmental scientists, and mammologists, especially for tracking zoonotic infections such as avian flu and hantavirus.

“In avian flu, birds follow special migration routes, so we needed bird specialists, forest experts, environmental experts, and mammologists,” Dr Ganguly said.

The expert also highlighted the growing challenge posed by shrinking spaces between humans and animals and the role of antimicrobial resistance (AMR) in emerging disease threats.

“Animal health is equally important. We need to maintain them, track their movements, and do surveillance,” he said.

Need To Track Climate

Dr Ganguly also warned that rising temperatures and shrinking boundaries between humans and animals could increase the risk of future infections.

“It is an environmental infection. With the rise of temperature, more hantavirus infections occur,” he told HealthandMe.

Why India Must Boost Surveillance

Calling surveillance one of the most critical tools in outbreak prevention, he urged India to strengthen monitoring systems for animals, vectors, and humans alike.

“We need to set up a dedicated surveillance for hantavirus in India, and we need to track hantavirus,” he said.

Dr Ganguly explained that to date, hantavirus cases in India have been detected accidentally during testing for respiratory infections or flu-like illnesses using advanced panel-based diagnostic systems.

“Like now these days, what happens is that when you are getting respiratory infection or flu-like symptoms, they put up a test system which is known as bio-fire or a thing like that which identifies 26 panels and gives the CT scoring of that, so from there, hantavirus emerged,” he said.

He added that India should strengthen surveillance tools and continue monitoring infections in animals, vectors, and humans alike.