A study by researchers at Hebrew University found that couples who synchronize their physiology and behavior during a first date are more romantically attracted to each other. The degree of synchrony also affects men and women differently, with women being more sexually attracted to 'super-synchronizers'.
Researchers at UT Health San Antonio found that rapamycin causes an increase in beta-amyloid protein plaques in mouse models, contradicting its potential benefits. However, a novel method to decrease plaques was discovered by deleting the Tsc1 gene from microglia, leading to increased Trem2 levels and decreased plaques.
The study found that restricting arm motion had a negligible effect on sprint time, with only a 1.6 percent difference from normal arm movement. Runners compensate for restricted arm swing by rotating their torso to maintain a forward-facing orientation.
Researchers have made significant advancements in understanding the cellular level of ion channels, which are fundamental to sensing environmental signals. The discovery of fundamental ion-channel sensors for temperature and pressure has led to new treatments for conditions like stroke, hypertension, and Alzheimer's disease.
A team of researchers at MedUni Vienna's Center for Physiology and Pharmacology has discovered a key building block in immune cells that promotes immunotolerance and prevents T-cell attacks on the body's own tissues. The study suggests a potential new cell-based therapeutic approach to slow down autoimmune disease progression.
A recent study in Current Biology reveals that ancient migrations significantly influenced the physiology and appearance of contemporary Europeans. The research found that specific ancestries contributed to traits such as height, skin pigmentation, and body mass index, while others were linked to cholesterol levels and sleep patterns.
A study in mice suggests that transplanted brown fat can reduce type 2 diabetes risk factors after a heart attack by dampening gene activation linked to negative effects. The transplantation method could help researchers understand the mechanisms behind this protective effect and potentially lead to therapeutic applications.
Research found that bats can adapt to diverse climates by finding similar roosting conditions, but those with high water loss are more heavily impacted by white-nose syndrome. This study highlights the importance of understanding bat hibernation patterns for conservation efforts.
Scientists at the Max Planck Institute have uncovered how ExoY toxin becomes activated in human cells by binding to actin filaments, leading to devastating enzymatic activity. This discovery sheds light on a crucial molecular mechanism that underlies the pathogenicity of various toxins.
A study at Weill Cornell Medicine reveals how drugs can affect membrane-spanning proteins, causing unwanted side effects. The researchers found that membrane-associated drugs can interact with these proteins in multiple ways, leading to changes in membrane characteristics.
Researchers studied the effects of isolation on human psychology, physiology, and team dynamics in a simulated off-world colony. The study found that crews' communication with mission control diminished over time, causing initial friction but eventually leading to increased cohesion despite cultural and personal differences.
Professor Willy Wong has discovered a mathematical relationship in the sensory adaptation response curve that is true for all sensory modalities and all organisms. This finding, supported by 250 measurements of adaptation from different branches of sensory physiology, presents a single, simple equation that holds across all species.
Researchers at Ohio State University found that cancer can cause cardiac dysfunction due to the presence of free radicals, which were reversed by specific antioxidants in fruit flies and mice with tumors. The study suggests a potential new approach to treating heart problems in cancer patients.
A mathematical model developed by researchers at the University of Cambridge can predict the optimum exercise regime for building muscle. The model takes into account individual physiology and optimizes exercise regimes based on user input, promising to maximize athletes' potential.
A study by Texas A&M University researchers has developed a simulation-based approach to accurately predict the effects of altered gravity on an individual-by-individual basis. The approach identifies key factors influencing cardiovascular responses and increases accuracy and saving time compared to traditional methods.
A new clinical trial will test a simple breathing exercise for adults with obstructive sleep apnea and hypertension. The study aims to reduce blood pressure and improve cardiovascular health through inspiratory muscle training.
A University of California, Irvine-led study reveals albumin activates a proton channel giving sperm the ability to penetrate and fertilize an egg, and allowing white blood cells to secrete inflammatory mediators. The interaction also enables neutrophils to produce and secrete inflammatory mediators that kill bacteria and fight infection.
Researchers identified genetically marked neurons in a zebra finch's forebrain, revealing a landscape of physiology and network roles that mirror those in mammals. This breakthrough advances insight into the fundamental operation of complex brain circuits, suggesting ancient cell types retained features over millions of years.
Researchers found a clear relationship between COVID-19 mitigation measures and reduced flu cases in countries like Canada, the US, Australia, and Brazil. The absence of a 2020-21 flu season demonstrates the effectiveness of hand-washing, masking, and social distancing in limiting virus transmission.
Researchers developed a method to visualize small tau protein aggregates forming under normal physiology, distinguishing them from pathological aggregates. The new approach uses high-resolution microscopy and machine learning to identify healthy tau aggregates, offering potential for new treatments for neurological diseases.
The study provides global and country-level estimates of humans living at high altitude, with 81.6 million people found to live above 2,500m. This data is crucial for understanding the impact of life at high altitude on human physiology, adaptation, health, and disease.
Researchers at Einstein College of Medicine developed a topical drug that regenerates and restores function of erectile nerves damaged by radical prostatectomy. The siRNA gel enhanced nerve regeneration and restored nerve function in rat models, restoring erectile function.
A new study published in Physiology & Behavior found that exercise and a healthy diet in childhood leads to adults with reduced anxiety levels and increased brain mass. The research also revealed that early-life exercise reduces anxious behaviors in adulthood.
Researchers found that the black and white tegu lizard's baroreflex mechanism is more efficient at lower temperatures, relying on vascular adjustments rather than heart rate alterations. This discovery provides new insights into the physiology of ectothermic animals and paves the way for further research on novel applications.
Research by University of Bristol scientists shows neonicotinoid insecticides disrupt bees' and flies' ability to get a good night's sleep, affecting daily behavioral rhythms. The pesticides also impair memory and circadian behavior in these insects, leading to potential decline in pollinator populations.
A new study from Oregon State University uses fecal samples from Eastern North Pacific gray whales to assess endocrine levels and establish hormone baselines for stress and reproduction. The findings provide valuable context for understanding how human activities impact whales.
The conference shares current knowledge and thinking across physiological systems, showcasing the symbiotic relationship between physiology and critical care. Physiologists have played an integral part in managing COVID-19, highlighting the importance of understanding pathophysiology to drive appropriate clinical intervention.
A University of South Florida Health study reveals that flavored vaping products can disrupt the heart's normal electrical activity and increase the risk of cardiac rhythm disturbances. The study used cardiac cells and young mice to assess the toxicity of vape flavorings in cardiac cells.
A study by UC Santa Cruz professor Terrie Williams explores how marine mammals' physiological adaptations can help understand the effects of COVID-19. Marine mammals have evolved mechanisms to protect critical organs during low-oxygen conditions, which may inform strategies for humans to mitigate long-term damage from oxygen deprivation.
Recent research shows that chimpanzees, like humans, increasingly prioritize mutual and equitable friendships with others as they get older. Younger adults tend to form lopsided relationships, while older chimpanzees focus on maintaining smaller, fulfilling networks of close friends.
A recent review from LSU Health New Orleans found an association between heat-not-burn tobacco products and increased risk of heart problems, cell death, and circulatory dysfunction. The study highlights the need for further research into the health effects of these products.
The TARGET FFR trial found that a physiology-guided incremental optimization strategy (PIOS) reduced the proportion of patients with a final post-PCI FFR ?0.80, while also improving mean Coronary Flow Reserve. The study's results suggest potential benefits for PCI outcomes.
Researchers have developed a new statistical model that accurately analyzes electrodermal activity (EDA) signals, providing insights into internal cognitive states and physiological processes. The inverse Gaussian model matches the physiology of sweat production and offers a principled approach to modeling EDA signals.
A German-Argentinean doctoral program has borne its first fruits with a joint publication in the renowned journal Plant Physiology. Dr. Regina Mencia's research on increasing plant resistance to pathogens via the salicylic acid pathway has shown promising results.
Researchers biofabricated human colorectal cancer organoids to understand how tumors grow in their natural microenvironment and respond to treatments. The study replicated native tumor tissue in a laboratory model and validated its effects on whole-body physiology, paving the way for new therapies targeting the extracellular matrix.
A team from Florida Atlantic University conducted the world's most complete health analysis of nesting green sea turtles in Florida, providing critical insights into physiology, biology, and herpesvirus epidemiology. The study found no significant differences between healthy and infected turtles, indicating that these viruses are endem...
A new study published in Experimental Physiology found that fire service instructors experience higher levels of inflammation, which may lead to chronic health problems. The researchers suggest limiting their exposure to nine times per month to reduce the risk of cardiovascular disease.
Researchers describe an alternative mechanism for the placement of potassium ion channels in cardiac cell membranes, which is crucial for heart function and may contribute to cardiovascular diseases. This discovery could lead to a better understanding of cardiac physiology and the development of new treatments for related disorders.
Researchers propose combining fever resistance with temporary tolerance promoted by controlled hypothermia for studying and treating severe conditions like sepsis. This innovative concept aims to understand human physiology's integrated defense strategies against infection.
Researchers create highly sensitive implant that detects and transmits NMR data from nanoliter volumes of brain oxygen metabolism. The breakthrough design enables unparalleled spatial and temporal resolution for probing brain physiology.
Research published in Experimental Physiology shows that autophagy stimulation heals diabetics' blood vessels by clearing damaged cells. This study suggests targeting autophagy could be a potential treatment for vascular problems in Type 2 diabetic patients.
Elderly individuals with random changes in daily movement are at greater risk of frailty, disability, and death. Analyzing daily motor activity using fractal physiology may help predict wellness and health outcomes.
UCI researchers found that as trees and plants conserve water due to high CO2 levels, soil moisture builds up underground, leading to increased rain runoff. This 'forest effect' can significantly impact river dynamics, particularly in regions like the Mississippi River basin.
A team of UC Davis researchers led by Vladimir Yarov-Yarovoy is developing a new class of peptides to treat chronic pain with minimal side effects. The goal is to identify the most effective peptide design that can selectively block pain-associated sodium channels without affecting other channels.
Researchers discovered GABA neurons play a crucial role in refining circadian output rhythms in mice, ensuring noiseless communication with neurons outside the suprachiasmatic nucleus. This finding could aid the development of new clinical approaches for diseases related to the circadian clock.
A $2.88 million NIH grant supports Jingsong Zhou's work to preserve mitochondria and understand the mechanisms behind ALS deterioration. Her novel approach investigates the theory that ALS affects the physiology of the whole body through defective cells in multiple organs.
Ben-Gurion University researchers develop a human blood-brain barrier chip with stem cells, recreating the natural physiology of the BBB. The chip is used to model neurological disorders such as multiple sclerosis, epilepsy, and Alzheimer's disease.
Researchers discover that progesterone triggers the mineralocortoid receptor in elephant sharks, while aldosterone and cortisol do not. This finding provides new insights into the evolution of human physiology.
A study published in Experimental Physiology found that short-sleepers have lower blood levels of three microRNAs, which influence gene expression and maintain vascular health. This could lead to new tests for sleep-deprived patients concerned about their health.
A study examining sleep data from a pan-Canadian cohort of 28,485 participants found that chronic insomnia disorder is directly associated with cognitive problems in people aged 45 and over. The main type of memory affected was declarative memory, independent of other factors.
Research suggests that an aging microbiome may be the key to understanding vascular decline and cardiovascular disease risk. The study found that suppressing the microbiome in old mice restored vascular health to that of young mice, highlighting the potential for gut-friendly diets and supplements.
A new study published in Frontiers in Physiology found that farmed Atlantic salmon's respiratory systems function normally even when carrying large loads of the piscine orthoreovirus. The research, conducted at the University of British Columbia, suggests that infected fish do not experience significant harm to their physiology.
A study by researchers at Vetmeduni Vienna found that dominant male house mice produce higher levels of certain pheromones compared to subordinates. These pheromones are transported in the urine via major urinary proteins (MUPs) and bind to female reproductive physiology, making them more attractive to receptive females.
Researchers are developing a new paradigm called 'network physiology' that examines how organs communicate and adjust to each other. This approach has the potential to improve health monitoring techniques by capturing data streams from different organ systems.
Researchers create experimental device to mimic realistic chest impacts, testing its effect on bioengineered heart tissue. Contrary to previous studies, they found that even very rapid strains had no effect on the propagation of electrical impulses.
New research reveals that slower runners can benefit significantly from measures improving 'running economy', such as better footwear and nutrition, resulting in faster finish times. For recreational runners, these methods can lead to substantial improvements, while elite athletes face more limited gains.
A recent study found that high-fat diets significantly increase blood pressure in both young male and female rats, with comparable effects on males and females. The study also showed sex differences in inflammation response, where females maintained a higher percentage of Tregs, which help decrease blood pressure.
A new study led by UNH researcher Matthew MacManes is exploring how tiny desert rodents adapt to dehydration, with the goal of developing strategies for humans. The research focuses on understanding the physiology and genomics of cactus mice in the field and lab, with an emphasis on electrolytes, urine concentrations, and kidney function.
Professor Martin Grosell received the Award of Excellence in fish physiology from the American Fisheries Society for his groundbreaking research on the effects of oil on marine fish. He is also a renowned expert in environmental physiology and toxicology, with over 200 peer-reviewed publications.
Current understanding of human physiology and surgery in space is crucial for future astronauts. The review highlights novel pathologies that could arise from prolonged weightlessness and exposure to cosmic radiation, emphasizing the need for specialized training and medical preparedness.