The clothes you wear when you work out may do you more harm than helping you to stay healthy as you hit the gym. This is because research has revealed alarming levels of bisphenol A (BPA), a chemical compound linked to significant health risks in several sports wear, including sports bra, leggings, and athletic wear. The Center for Environmental Health (CEH), which is a nonprofit consumer advocacy group has brought these concerns to light, and have raised awareness about the potential danger and damage these sports wear can cause because of the common chemicals used.

What is BPA? Is it concerning?

Bisphenol A, or BPA is a chemical that is used to make plastics and resins. It is also used in certain fabrics and is known for its endocrine-disrupting properties, which can also interfere with one's hormonal balance. There have been studies, including a 2019 study titled The adverse health effects of bisphenol A and related toxicity mechanisms that have linked BPA exposure to various health problems, including asthma, cardiovascular diseases, obesity, diabetes, and even cancer.

Many of research which have been conducted focus on the ingestion, which can happen when you store food in BPA-lined containers. Among them, some of the more recent studies show that skin absorption is also a pathway. This means when you are handling receipts which are printed on thermal paper, or wear BPA-containing fabrics, the chemical can seep through your skin and enter your bloodstream.

Though it is also true that BPA is exposed from the body within days, however, continuous exposure from multiple sources can be concerning.

Sports Wear and the harm it may cause you

CEH also tested popular athletic wear in October 2023 and found BPA levels were exceeding California's safety standards by as much as 22 times.

Testing also showed that top brands contained up to 40 times the permissible limit of BPA.

What do the laws say?

As far as laws are concerned, under California's Proposition 65, the maximum allowable dose for BPA exposure via skin is 3 micrograms per day. While this law is among the strictest in the United States, it highlights a broader issue of chemical safety in consumer products nationwide.

Ana Soto, an immunologist with decades of research on BPA, even low doses of dermal and oral exposure can combine to create a significant health risk. She also warned that prolonged exposure through fabric, especially when you are exercising, as your pores are open and sweat is present, can in fact, amplify these effects.

How does BPA affect your health?

BPA can disrupt your body's endocrine system, which is a network of glands and organs that produce hormones that control many bodily functions. These include growth and development, metabolism, and reproduction, to name a few. BPA can mimic natural hormones like estrogen and interfere in those bodily functions.

Studies also link it with obesity and diabetes, respiratory issues, especially asthma risk in school-aged children, cardiovascular diseases, and cancer risks.

How can you be safe?

There are certain steps you can follow to protect yourself:

• Avoid wearing BPA-lined sports-wear
• Change immediately after your workout
• Do not wear sports-wear for an elongated period

At 22, the young woman had little reason to think she would soon be facing a major cardiac surgery. Newly married and otherwise healthy, she suddenly lost movement in her right arm and leg. Her family was devastated and struggled to understand how a young, healthy woman could have suffered a stroke.

Investigations revealed an unusual cause: a tumour in her heart, with a small piece believed to have broken away and travelled into the blood vessels supplying her brain. She was advised to undergo immediate open-heart surgery to remove the tumour.

But the prospect of open-heart surgery frightened her. Despite repeated counselling, she refused the procedure. Two months later, she suffered a second stroke. This time, she lost much of her ability to speak and eat, while her heart function had also fallen to 35%. Once again, open-heart surgery was advised. Once again, she refused.

Her Condition Worsened As Treatment Was Delayed

Over the next three months, her condition continued to deteriorate. She weighed only 35 kg, was weak and withdrawn, and required feeding through a Ryle's tube. Her husband continued looking for another option.

A neighbour eventually suggested that the family consult a doctor in Kolkata who performed robotic heart surgery. The family approached Dr Soumya Guha, Cardiothoracic and Vascular Surgeon, BM Birla Heart Hospital, initially through an online consultation, as the young woman was unwilling to visit a hospital.

This was an extremely high-risk case. She had already suffered two strokes, her heart function had come down to 35%, she was severely underweight at 35 kg and was physically very weak. The tumour was also large. Given her condition and the complexity of the surgery, I was initially reluctant to take up the case for robotic heart surgery. But the family was desperate, and we felt that if we could first improve her physical condition and prepare her psychologically, we could give her a chance. She needed to be built up before we could think of taking her safely through such a major procedure.

The team therefore spent time preparing her for surgery, working to improve her nutritional and physical condition while counselling her repeatedly to help her overcome her fear of surgery. Once she was considered ready, she was brought to Kolkata.

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Two Tumours Found During Robotic Heart Surgery

The surgery presented another unexpected finding. What had been thought to be a single cardiac tumour turned out to be two tumours in the heart. Both were removed using robotic heart surgery.

Given her small body size, weakness and small blood vessels, the procedure required additional precautions during cardiopulmonary bypass. The team used artificial conduits to establish bypass and employed NIRS monitoring along with multiple filtration modes to support her during the procedure.

Rehabilitation Helps Her Regain Movement, Speech And Swallowing

Her recovery was also a major part of the treatment. Following surgery, she underwent extensive physical rehabilitation along with speech and swallowing therapy. Nursing, intensive care, physiotherapy, dietary support and ward care were all part of the recovery process, with the hospital administration also providing financial assistance to the family.

Today, the young woman is able to stand and walk on her own. She has begun speaking a few words and has progressed from Ryle's tube feeding to eating small amounts of mashed food.

For her family, the change has been remarkable: from watching a young woman suffer two strokes and gradually lose her ability to speak and eat, to seeing her prepare to return home on her own feet.

The surgery was only one part of this patient's journey. Given how weak she was, getting her through the operation safely was important, but helping her regain movement, speech and swallowing afterwards was equally important. This required the efforts of the surgical and anaesthesia teams, perfusionists, nursing staff, ICU and ward teams, physiotherapists, speech and swallowing rehabilitation and the dietician. The support from the hospital administration also made a difference to the family. Every one of these teams had a role to play in getting her to where she is today.

While dementia is generally associated with older age, its onset can begin much earlier, including in middle age. A new study led by an international team of researchers found that muscle loss as people age may be an important warning sign for dementia risk.

The study, published in the International Journal of Food Sciences and Nutrition, also found a surprising difference in how obesity was linked to dementia depending on a person’s age.

What Did The Study Find?

Researchers analyzed more than 80 studies examining the links between body weight, body fat, muscle health and dementia.

They found that people with sarcopenia — the loss of muscle mass and strength — had a 42 per cent higher risk of dementia.

People with obesity in middle age, or before 65, had a nine per cent higher risk of dementia. In contrast, obesity in people aged 65 and over was linked to a 17 per cent lower risk.

The findings showed that body weight alone did not tell the full story when it came to dementia risk.

“It’s not just about how much you weigh – maintaining muscle strength and function also appears to be important as we age,” said lead researcher Dr Uraiporn Booranasuksakul from Burapha University, Thailand.

“Our findings suggest losing muscle could be an important warning sign for dementia risk.”

Why Muscle Health Matters

Sarcopenia is a condition where people lose a greater amount of muscle mass, strength and physical function, often as they get older.

Dr Booranasuksakul said the findings highlighted the importance of looking after muscle health throughout life.

“Maintaining muscle is an important part of healthy ageing, and regular physical activity and good nutrition can help support muscle strength and function,” she said.

Obesity And Dementia Risk Change With Age

Corresponding author Professor Mario Siervo from Curtin University’s School of Population Health said the findings also challenged the idea that dementia risk could be understood simply by looking at a person’s weight.

“We found that obesity in middle age was linked to a higher risk of dementia, but this relationship changed in later life,” Professor Siervo said.

“This does not mean people should gain weight as they get older. Rather, it shows us that the relationship between body weight, ageing and dementia is complex.”

What About Sarcopenic Obesity?

The researchers also looked at sarcopenic obesity, where a person has both low muscle mass or function and excess body fat.

Only four studies met the criteria for this part of the analysis, and researchers found no statistically significant link between sarcopenic obesity and dementia.

Professor Siervo said more research was needed to understand whether the combination of muscle loss and excess body fat affected dementia risk.

“There is still a lot we don’t know about how changes in muscle and body fat interact over time,” Professor Siervo said.

“More long-term research is needed to understand whether having both low muscle mass and excess body fat increases dementia risk.”

A Lifelong Approach To Healthy Ageing

The researchers said the findings reinforced the importance of taking a lifelong approach to maintaining healthy body composition, including preventing unhealthy weight gain during middle age and maintaining muscle strength and function as people get older.

India has a target to eliminate dog-mediated rabies by 2030. It has strengthened access to post-exposure prophylaxis for people exposed to rabid animals, but controlling transmission among dogs still remains a challengge.

India's National Action Plan for dog-mediated rabies elimination rests on human-health component, which focuses on post-exposure prophylaxis and awareness among bite victims, and the animal-health component, which focuses on vaccinating and sterilising stray dogs.

In a conversation with HealthandMe, Dr Hanul Thukral, Veterinary Epidemiologist, South Asia Field Epidemiology & Technology Network (SAFETYNET), formerly with the Centre for One Health, National Centre for Disease Control (NCDC), Ministry of Health & Family Welfare, Government of India, says that the human-health side of the programme is strong. The bigger challenge lies in giving the animal-health side enough resources, coordination and accountability.

The Gap Of Animal Health Component In Rabies

Dr Thukral talks about an unusual problem at the heart of India's rabies-control efforts. He speaks about the ownership of stray dogs and that they do not fall under any single ministry.

“Stray dogs also do not come under a particular ministry. They do not come under the animal husbandry ministry, the health ministry or the wildlife ministry. They are under the purview of local bodies, including municipal corporations and rural local bodies,” he said.

This is a larger issue as the animal-health component of rabies elimination depends on sustained vaccination and sterilisation campaigns. Dr Thukral said the country currently lacks dedicated funding and resources for this part of the effort.

For India to move faster towards the 2030 goal, he said local bodies need to be given greater financial and operational support, including resources to capture rabid dogs, sterilise stray dogs and vaccinate them.

He added, “There should be an incentive-based model for local bodies like Swachh Bharat. Financial or non-financial incentives could be offered to local bodies for their rabies efforts, including recognition for those that prevent the majority of deaths.”

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Treatment Is Available But The Patient May Seek Treatment Late

India's human-health response is strong. Dr Thukral said the health ministry has increased access to rabies vaccination and rabies immunoglobulins, with a goal of making vaccines available up to the PHC level and immunoglobulin available up to the CHC level.

Yet the first break in the prevention chain can occur before the health system even knows a bite has happened.

“The prevention chain breaks down where it actually starts. It starts with the awareness of dog-bite victims,” Dr Thukral said. “A person bitten by a dog has to recognise the danger and seek care before the health system can intervene. According to a recent estimate cited during the interview, only around 20-25% of dog-bite victims receive post-exposure prophylaxis, while 60-65% do not. Of those who receive it, only 50% complete it.”

Dr Thukral stressed that these are not definitive figures. “These are just estimates based on a subset of the population,” he said.

That gap can lead to delayed treatment. “In rabies, time is everything,” he said, adding, “If we don't get post-exposure prophylaxis immediately after the dog bite, after 10 hours or after 24 hours, it has virtually no use.”

The 70% Dog-Vaccination Challenge

Human treatment can prevent death after exposure, but elimination requires the transmission cycle to be interrupted among dogs. Around 70% vaccination coverage among dogs is needed to interrupt the transmission chain.

The problem, Dr Thukral said, is that India does not have reliable nationwide data showing what proportion of its stray-dog population is actually vaccinated.

He said, “A nationwide stray-dog census was only recently conducted, counting almost 1 crore 50 lakh stray dogs across the country. Local bodies and panchayats conduct surveys and organise vaccination campaigns within their jurisdictions, but the current effort is very scattered and very non-uniform.”

He added, “If I achieve 70% vaccination in a particular block, the dogs of that block are protected. But there is always a chance that unvaccinated dogs from the periphery or neighbouring blocks can enter that block.”

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Treatment Alone Can Prevent Deaths, But Not Eliminate Rabies

Dr Thukral says saving people from rabies and eliminating rabies are not the same goal. He said, “One estimate suggests that if India continues increasing post-exposure prophylaxis coverage while carrying out suboptimal dog vaccination, around 400 deaths could be prevented over the next 10 years.”

Another estimate cited by Dr Thukral puts the figure at about 400-500 deaths over the next 10 years, with spending about 5 to 10 crores. But preventing those deaths would still fall short of elimination. “That’s it. We cannot achieve elimination,” Dr Thukral said.

“Humans are not the source of the infection,” he explained. “In this case, dogs or other animals are the source of infection. Unless we target them, we do not move closer to elimination.”

India Does Not Have Reliable Data For Vaccinated Stray Dogs

The same data problem extends to the Animal Birth Control programme, which combines sterilisation with anti-rabies vaccination. The expert says that there is no nationwide figure showing how many stray dogs have been vaccinated or sterilised. The information exists, but it sits across individual municipal corporations and panchayats rather than in one comprehensive national dataset.

“Vaccinating stray dogs doesn't come under the purview of the health ministry or the animal husbandry ministry,” he said. That makes it difficult to answer a seemingly basic question: what proportion of India's stray dogs is vaccinated at any given time? “We do not have nationwide data,” Dr Thukral said.

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Reliable 'One Health' Approach

Rabies is not a problem that can be solved by hospitals alone. At the district level, Dr Thukral said an effective One Health system would require health departments, municipalities, animal husbandry authorities, veterinary services and welfare bodies to have clearly defined responsibilities, adequate resources and a mechanism to coordinate.

He said, “The health department would focus on post-exposure prophylaxis, animal-bite management and awareness. Local bodies would handle dog vaccination, sterilisation and solid-waste management. The animal husbandry department could provide technical support, while welfare bodies could promote responsible dog ownership. Let every department do its job and establish coordination among them.”

That coordination also becomes important after an individual bite. Municipal or animal-health authorities need to communicate with the health department because one reported bite may indicate that additional people have been exposed.

How To Recognise A Rabid Dog?

Another challenge is recognising rabid animals. Dr Thukral said that after a dog is bitten by another rabid dog, it can take up to three months for symptoms to develop. However, he stressed that this does not mean the animal transmits the virus throughout that entire period.

“It will transmit the virus about 10 days before it starts showing symptoms,” he said. He also described several behavioural and neurological changes that can raise concern.

A dog that suddenly becomes aggressive, unusually quiet, or behaves differently from its normal pattern may warrant attention. Other signs described by Dr Thukral include seizures, excessive drooling, and changes in vocalisation.

“The basic thing we need to look out for if we get a dog bite or exposure from a potentially rabid animal is, most importantly, change in the animal's behaviour,” he said.

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India’s Surveillance Gaps

India's surveillance recorded 54 rabies deaths in 2024, according to the Press Information Bureau. But an independent study cited during the discussion put the number at more than 5,700, and estimated that India may have between 3,000 and 7,000 deaths annually.

Dr Thukral said that India's human rabies surveillance system is well equipped to detect, diagnose and report suspected and confirmed cases. But the bigger vulnerability, he said, may occur before a suspected case enters the health system.

“If there are scattered cases, such as one bite or a couple of bites, unless that patient reports to a health facility for potential post-exposure prophylaxis, the health system will most probably fail to capture it,” he said.

In other words, surveillance can only record what comes into contact with the system. Community awareness and care-seeking behaviour therefore remain critical.

The Biggest Challenge In India’s Rabies Elimination Goal

Dr Thukral believes the health component of India's rabies programme is comparatively strong. Post-exposure prophylaxis is accessible, almost free and cost-effective, he said. But it becomes more difficult when the focus shifts to dogs.

“Sterilising and vaccinating a dog currently takes around Rs 1,500 per stray dog to vaccinate it and sterilise it,” he said.

With a stray-dog population of around 1.5 crores, the scale of resources required becomes enormous. According to Dr Thukral, local bodies generally do not have that kind of money to dedicate to rabies control.

“So, yes, our system is very much in place and very strong to detect human rabies cases and treat them and provide them with the necessary care,” Dr Thukral said. “But for elimination, we need to target the source of the infection, which is obviously these stray dogs.”

For India to reach its 2030 goal, he said, the pace needs to pick up in terms of resources, manpower and political intention.

India's rabies challenge is therefore not confined to what happens after a person is bitten. It begins much earlier. With awareness, timely care-seeking, dog vaccination, sterilisation, waste management, reliable data and coordination between agencies working across the human and animal-health systems.

The country can continue expanding access to post-exposure prophylaxis and prevent more deaths. But, as Dr Thukral emphasises, that alone cannot deliver elimination. The question for the next four years is whether India can move from responding to individual exposures to systematically interrupting transmission at its source. As the expert said, “We need to target the source.”