Articles tagged with Sweating
Wearable sweat sensors provide continuous real-time monitoring in ICUs, offering insights into hydration and homeostasis through electrolyte and metabolite tracking. The technology has vast application prospects, including sepsis warnings, renal management, and precision glycemic control.
Researchers at Arizona State University have discovered an overlooked physical process that significantly impacts sweat's cooling effect in hot, dry environments. The study found that temperature and humidity can create an opposing upward flow near the skin, canceling out airflow and increasing body heat storage.
A research team has discovered a genetic cause of hyperhidrosis, a condition characterized by chronic and excessive sweating. The discovery paves the way for targeted treatments using existing medicines, potentially reducing the stigma surrounding the condition.
A new vertical design separates expensive electronic components from disposable plastic patches, allowing sweat to travel upward and make electrical contact with sensors. This separation prevents waste and makes continuous monitoring economically possible.
Researchers have developed a wearable, wireless, battery-free sweat sensor that can track four clinically relevant biomarkers in real-time. The device's ability to regenerate its sensing surface and operate continuously over long timespans addresses key obstacles in long-term wearable biosensing.
A new study suggests that sweat can reveal information about a person's health, including hormone levels, medication doses, and early detection of diseases like diabetes and cancer. Wearable sensors using artificial intelligence can detect specific metabolites in sweat, providing personalized health insights.
Researchers at PolyU are pioneering next-generation personal cooling solutions using advanced textiles and intelligent wearables. Their innovations include spectrum-selective textiles, thermal insulation, ventilative and evaporative cooling, and AI-driven frameworks that deliver personalized, energy-efficient cooling.
Research from the University of Sydney reveals that children aged 10-16 years sweat at the same rate as adults in extreme heat, contradicting previous advice on dehydration and hyperthermia risk. The study's findings emphasize the importance of proper hydration for children during physical activity.
A recent study found that electric fans provide little cooling relief for older adults indoors during extreme heat due to their limited sweat production. Dr. Fergus O'Connor from Griffith University suggests using air conditioning at a higher temperature in conjunction with a fan to provide effective cooling and reduce operating costs.
Researchers at Binghamton University have developed a new paper-based biosensor system that uses bacterial spores to monitor glucose levels in sweat, eliminating the need for finger-stick devices. The system is shelf-stable, self-replicating, and can endure harsh environments, making it a promising alternative for diabetes management.
A study from the University of Notre Dame found nine out of 22 watch bands contained high levels of perfluorohexanoic acid (PFHxA), a type of PFAS. Elevated PFAS levels were more prevalent in higher-priced watchbands, posing concerns for dermal absorption and potential health risks.
Worsening heat waves exacerbate symptoms of neurodegenerative diseases like Parkinson's and dementia due to impaired sweating and blood flow. Doctors can take proactive steps by regularly screening for social isolation, providing resources, and utilizing telemedicine to monitor high-risk patients.
Researchers from Tokyo Metropolitan University have used skin conductance measurements to tell emotions apart. The team's analysis showed that changes in skin conductance over time can be used to discriminate emotional states, with potential applications for emotionally aware devices.
Researchers have successfully regenerated human epidermal keratinocytes into sweat gland-like cells using a combination of chemicals. These cells, called ciSGCs, restored thermoregulatory sweating and released bioactive factors to stimulate tissue repair in burned skin.
Researchers developed a wearable sensor using single-atom materials to detect uric acid, a biomarker for various health conditions. The sensor offers improved sensitivity and selectivity compared to conventional nanomaterials.
Researchers at the University of Bath have developed sensors that track physical changes experienced by exercisers while using VR headsets, allowing game designers to create immersive programs that adapt to a person's abilities and mood. This technology aims to increase user engagement and adherence to exercise.
The wearable device monitors vital chemical levels in fingertip sweat, fueling its own energy and powering a suite of sensors. It can track glucose, vitamins, lactate, and levodopa levels without requiring physical activity or stimuli, offering a reliable health monitoring solution.
A new non-hormonal hot flash treatment has been shown to significantly reduce symptom frequency and severity within weeks, while also improving sleep quality and overall well-being. The investigational drug elinzanetant was found to have a favorable safety profile with mild side effects.
The NTU team created a compact and flexible light-based sensing device, like a plaster, to provide highly accurate biomarker readings within minutes. The device detects glucose, lactate, and urea levels in sweat with ultra-high sensitivity and dynamic range.
Research reveals TRPV4 complex promotes sweat secretion in mouse foot pads, suggesting its potential role in human perspiration. The study also suggests that TRPV4 may regulate friction forces, which could impact traction on hind paws.
Researchers at Tokyo Institute of Technology developed a flexible and durable bioelectrode material composed of single-wall carbon nanotubes on a stretchable poly(styrene-b-butadiene-b-styrene) nanosheet. The material showed impressive flexibility, high water vapor permeability and resilience for extended use.
A new study by Arizona State University reveals that initial phase sweating can be three times more effective than later phase sweating in terms of evaporation. The researchers developed a wind tunnel-shaped capsule with high-magnification video imagery to capture the dynamics of sweat droplet formation and evaporation on human skin.
A wearable health monitor developed by Washington State University researchers can accurately measure levels of important biochemicals in sweat during physical exercise. The device has the potential to track health conditions and diagnose common diseases, including diabetes, gout, kidney disease, and heart disease.
Researchers at the University of Gothenburg have identified clear stress patterns among children undergoing dental treatment, particularly during anesthetic injections. The study used a sensor tool to monitor hand movements and sweating, revealing that invasive treatments were significantly more stressful for longer periods.
Researchers identified genes that contribute to heat-tolerant cattle through skin biopsies and genetic analysis. This discovery could help breed cattle better adapted to hot climates, ensuring food supply longevity.
Researchers investigated molecular changes in aging mouse sweat glands, finding 171 mRNAs enriched in secretory cells. Altered mRNA and protein abundance were associated with age-related declines in sweat gland function.
Researchers at Osaka Metropolitan University developed a lysin from a bacteriophage that targets Staphylococcus hominis, a key contributor to body odor. The study's results could lead to a new treatment option for axillary odors, a common dermatological disorder.
A new study published in Clinical Chemistry and Laboratory Medicine reveals that smartphone swabs can successfully detect drugs on phone surfaces. The method, which uses dry swabs, identified MDMA, cocaine, and THC as the most common substances, with other drugs including ketamine, LSD, and heroin also detected.
Research found that chemicals present in microplastics can leach into human sweat and be absorbed through the skin, entering the bloodstream. The study used innovative 3D human skin models to demonstrate this process, revealing that up to 8% of the chemical exposed could be taken up by the skin.
Researchers create universal method for creating wearable electronics with increased sweat permeability, enabling reliable long-term monitoring of biosignals. The device allows for continuous and stable monitoring of vital signs without signal disruption from perspiration.
Researchers at MIT and University of Helsinki discovered a protein in human sweat that can protect against Lyme disease. A genetic variant of this protein is associated with increased susceptibility to the disease.
A new study reveals that the heat index in Texas has increased three times faster than measured temperature due to global warming. This can lead to a rise of 8-11 F in heat stress, especially for vulnerable populations.
Researchers developed a new, accessible, and affordable sequence method using qPCR to identify touch DNA. The study found that male DNA was detected on the female's hand in 50% of trials, indicating secondary transfer, while male DNA on the coffee mug was recorded 27% of time indicating tertiary transfer.
A new study found that women with migraines and long-term hot flashes or night sweats are at increased risk of heart disease and stroke. However, the research suggests that focusing on prevention and correcting unhealthy habits can help most women mitigate this risk. Women who have experienced both migraines and vasomotor symptoms for ...
Researchers at UMass Amherst develop graphene-based tattoos to measure cortisol and other biomarkers in sweat. The technology has the potential to provide insights into overall health and serve as a tool for early disease detection, enabling personalized healthcare.
A recent study published in Nature Communications has identified a key brain molecule responsible for triggering overconsumption of comfort foods after stressful events. The lateral hypothalamic proenkephalin neuron plays a crucial role in driving threat-induced eating associated with negative emotional states.
Researchers at Purdue University have developed noninvasive wearable sensors that can measure uric acid levels in human sweat, offering faster and more accurate diagnosis, therapy, and prognosis for conditions like anxiety and hypertension. The sensors, called EPICS, have higher sensitivity and better wearability than traditional sensors.
Researchers at the University of California - San Diego developed screen-printed, flexible sensors that can record brain activity and lactate levels in earbuds. The sensors allow for long-term health monitoring and detection of neuro-degenerative conditions.
Researchers have developed a novel wearable patch that can continuously analyze sweat for three weeks, detecting specific glucose levels while monitoring body temperature and pH. The device uses a laser-modified graphene nanocomposite material and has shown greater stability over time compared to previous sensors.
Scientists have developed a new finger sweat test to detect antipsychotic drugs in patients, providing a quicker and more comfortable alternative to blood draws. The test was tested on 60 patients receiving clozapine, quetiapine, or olanzapine, with promising results.
Chronic disease medications impair the body's ability to regulate core temperature, increasing the risk of heat-related illness in elderly patients. Exercise and improved fitness levels can help mitigate these effects, but bodily impairments from chemotherapy and medications may limit exercise capacity.
A novel microfluidic sweat lactate sensor has been developed to measure sweat lactate levels continuously during exercise without interruptions from air bubbles. The device uses a larger-than-usual sweat reservoir to trap air bubbles, preventing them from contacting the sensors' electrodes.
Researchers at Tokyo University of Science developed a novel wearable biosensor that can monitor sweat electrolyte levels, providing insights into the body's electrolyte balance. The sensor can be seamlessly applied to textiles and transmits measurements wirelessly.
A new study has found that Progesterone (micronized, oral) is effective in decreasing night sweats and improving sleep in perimenopausal women. The study, conducted by researchers at the University of British Columbia, involved 93% of participants completing the three-month trial with no serious adverse events.
Researchers found that tightly curled scalp hair provided the best protection from the sun's radiative heat while minimizing sweat. This adaptation enabled human brains to grow to modern-day sizes without conserving water through sweating.
A Mayo Clinic study found that menopause symptoms significantly affect women's quality of life and productivity in the workplace. The study estimated an annual loss of $26.6 billion, including lost work time and medical expenses, highlighting a critical need for employers to address this issue.
Researchers discovered a hydrogel material that maintains its ability to absorb moisture despite rising temperatures, contradicting intuition. The material, polyethylene glycol (PEG), doubles its water absorption between 25-50 degrees Celsius, making it suitable for passive cooling and water harvesting applications.
Researchers found that exposure to human sweat odors, extracted from underarm sweat, reduced social anxiety in patients undergoing mindfulness therapy. The study showed a 39% reduction in anxiety scores compared to a 17% reduction in the control group.
A newly developed superhydrophobic biosensor can detect insensible, or vapor, perspiration, which is difficult to measure. The sensor allows for continuous tracking of skin health and disease conditions, such as eczema and wound healing, by monitoring thermoregulation and skin barrier functions.
Researchers at the University of São Paulo developed a portable, flexible copper sensor that can detect heavy metals like lead and cadmium in sweat. The device is made from ordinary materials and is simple to produce, making it accessible for non-specialists and technicians.
Biomedical engineers at the University of Cincinnati are investigating the potential of interstitial fluid for early disease diagnosis and long-term health monitoring. The study proposes sampling interstitial fluid just under the skin using tiny microneedles, offering a more accessible and less painful alternative to blood testing.
A new study by the University of Massachusetts found that night sweats are significantly associated with depression and stress, while hot flashes are mainly linked to depression. Women experiencing night sweats may be at a greater disadvantage due to sleep disturbances.
A new study found that dogs can differentiate between breath and sweat samples from people before and after a stress-inducing task with an accuracy of 93.75%. The researchers believe that dogs are able to detect changes in volatile organic compounds produced by humans in response to stress.
Researchers from NUS developed a novel super-hygroscopic material to enhance sweat evaporation and reduce heat stress in personal protective suits. The film brings down the heat index by about 40%, significantly improving thermal comfort for users like healthcare workers.
A new wearable sensor has been developed using MXene nanomaterials that can detect changes in pH levels in sweat, which correlate with muscle fatigue. The device measures electrical resistance patterns in response to mechanical stress and pH changes.
NTU scientists create soft and stretchable battery powered by human perspiration, suitable for wearable devices. The battery generates electricity in the presence of sweat, providing a sustainable alternative to conventional batteries.
A novel film developed by NUS researchers can evaporate sweat six times faster and hold 15 times more moisture than conventional materials. This breakthrough technology can power small wearable devices like watches and fitness trackers.
Researchers found that tattooed skin has reduced sweat rates, which can lead to increased risk of overheating. The study suggests that the tattooing process damages eccrine sweat glands, potentially causing long-term complications.
Researchers at Cornell University have created a soft robot muscle that can regulate its temperature through sweating, enabling untethered robots to operate for long periods without overheating. The technology is approximately three times more efficient than human sweat and can cool the actuators by 21C within 30 seconds.
A rapid test for cystic fibrosis has been developed using a 2-minute swiping process that analyzes compounds in perspiration samples, with 98% specificity and 96% sensitivity. The test uses desorption electrospray ionization mass spectrometry and machine learning to identify cases.