Human physiology is the science of the mechanical, physical, and biochemical functions of humans in good health, their organs, and the cells of which they are composed. The principal level of focus of physiology is at the level of organs and systems. Most aspects of human physiology are closely homologous to corresponding aspects of animal physiology, and animal experimentation has provided much of the foundation of physiological knowledge. Anatomy and physiology are closely related fields of study: anatomy, the study of form, and physiology, the study of function, are intrinsically tied and are studied in tandem as part of a medical curriculum.
Treatment-resistant depression affects a large proportion of people with major depressive disorder, and while ketamine offers rapid relief, its antidepressant effects fade within a few weeks.
A novel, minimally invasive computer software-based method that uses artificial intelligence to determine whether plaques in a coronary artery are restricting blood flow to the patient's heart performed similarly to the standard, more invasive wire-based procedure, according to a large international randomized trial presented at the American College of Cardiology's Annual Scientific Session (ACC.26).
The University of Maryland Marlene and Stewart Greenebaum Comprehensive Cancer Center (UMGCCC) has been awarded a prestigious $3 million National Cancer Institute (NCI) Career Development Award to train the next generation of oncology researchers focused on treating patients of all backgrounds.
Inherited variations in antibody genes can affect how we respond to infections and vaccines, show two new studies from Karolinska Institutet in Sweden, published in the journal Immunity.
When you reach into a bucket of ice, open your front door on a snowy day, or feel the tingle of menthol toothpaste, a protein in your nerve cells called TRPM8 springs into action, opening like a tiny gate to send a "cold" signal to your brain.
UT Health San Antonio, the academic health center of The University of Texas at San Antonio (UT San Antonio) is launching a multi-phase clinical study to better understand how the drug rapamycin may promote healthy aging.
Anyone who has weathered a bad stomach bug knows the feeling: a loss of appetite that sets in and lingers, even after the initial illness.
New research shows that small improvements to sleep, diet quality, and physical activity, made in combination, are associated with a significantly reduced risk of major cardiovascular events such as stroke, heart attacks, and heart failure.
Patients continuously monitored after surgery experienced significantly less time with dangerously low oxygen levels compared to those monitored using routine spot checks, a new study from Wake Forest University School of Medicine found.
White adipose tissue stores energy, while brown and beige fat burn energy through thermogenesis. Under certain environmental conditions, white fat can transition into beige fat in a process known as browning.
The relationship between cardiovascular dysfunction and renal impairment is widely recognized as the cardiorenal interaction, a complex physiological link in which damage to one organ can accelerate deterioration in the other.
Heart disease is the leading cause of adult death worldwide, making cardiovascular disease diagnosis and management a global health priority.
This research explores speech prosody as a stress marker, analyzing the effects of relaxation methods on vocal changes and their implications for stress relief.
Huntington's disease is a devastating brain disorder that slowly robs people of movement, memory and personality.
Time plays a key role in our perception of pain and administering pain relief and medication for chronic pain-related depression may be more effective at certain times of day, UCL and University of Toronto researchers say.
During pregnancy, women can reduce their risk of developing a hypertensive disorder by nearly 30% by limiting sedentary time to no more than eight hours a day and increasing light, everyday physical activity to at least seven hours a day, according to preliminary research presented at the American Heart Association's EPI|Lifestyle Scientific Sessions 2026.
A machine-learning analysis of brain waves recorded during sleep may help identify people at high risk of developing dementia, according to a study led by UC San Francisco and Beth Israel Deaconess Medical Center in Boston.
Heart disease is the leading cause of adult death worldwide, making cardiovascular disease diagnosis and management a global health priority. An echocardiogram, or cardiac ultrasound, is one of the most commonly used imaging tools employed by physicians to diagnose a variety of heart diseases and conditions.
Obesity is widely known for increasing the risk of diabetes and cardiovascular disease, but its damaging effects on the skeleton are often overlooked. Excess body fat can disrupt bone metabolism, weaken bone quality, and impair fracture repair.
A review in the Canadian Journal of Physiology and Pharmacology examines emerging evidence linking glucagon-like peptide-1 receptor agonists (GLP-1 RAs), the gut microbiome, and obesity treatment outcomes. The authors conclude that microbiome changes seen during therapy are most likely driven by diet, behavior, and weight loss, although microbial profiling may eventually help predict patient responses.
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