An unwanted or harmful reaction experienced after the administration of a drug, which may range from mild to life-threatening.
The branch of biology concerned with the study of the structure of organisms and their parts, foundational to medical education and surgical practice.
The practice of medicine specializing in perioperative care, pain management, and the administration of anesthesia during surgical procedures.
Policies, regulations, and testing practices that prevent the use of prohibited performance-enhancing substances and methods in sports.
The ability of bacteria to resist the effects of antibiotics, a growing global health concern driven by overuse and misuse of antimicrobials.
Programmed cell death, a normal and controlled process in the body's growth or development, crucial for maintaining healthy tissues.
The proportion of a drug or substance that enters the systemic circulation when introduced into the body and is able to have an active effect.
A measurable indicator of a biological condition or disease state, used in diagnosis, monitoring, and predicting treatment response.
The application of statistical methods to biological and health-related data, essential for designing clinical trials and interpreting medical research.
A measure of body fat based on weight relative to height, commonly used to screen for weight categories that may lead to health problems.
A state in which fewer calories are consumed than the body expends, leading to weight loss as the body uses stored energy reserves.
The branch of medicine that deals with diseases and abnormalities of the heart and cardiovascular system, including coronary artery disease, heart failure, and arrhythmias.
A research study conducted with human participants to evaluate the safety and efficacy of new medical treatments, drugs, devices, or interventions.
A type of traumatic brain injury caused by a bump, blow, or jolt to the head, temporarily affecting brain function and requiring careful management.
The ethical and legal obligation of healthcare providers to protect personal health information shared by patients during medical care.
The branch of medicine concerned with the diagnosis and treatment of conditions affecting the skin, hair, nails, and mucous membranes.
Products containing vitamins, minerals, herbs, amino acids, or other dietary substances intended to supplement the diet.
A reaction between two or more drugs, or between a drug and a food, beverage, or supplement, that changes the effectiveness or side effects.
The medical specialty focused on the immediate decision-making and action necessary to prevent death or further disability in acute illness and injury.
A disease or condition regularly found among particular people or in a certain area, with a constant baseline level of occurrence.
The branch of medicine concerned with the endocrine system, its diseases, and hormonal imbalances such as diabetes, thyroid disorders, and metabolic syndromes.
The study of how diseases spread, their patterns and causes in populations, used to control health problems and inform evidence-based policies.
Substances, devices, or practices that enhance energy production, recovery, or performance in sport and exercise.
The conscientious use of current best evidence from clinical research in making decisions about the care of individual patients.
The study of the digestive system and its disorders, covering the esophagus, stomach, intestines, liver, pancreas, and gallbladder.
The study of heredity and the variation of inherited characteristics, including gene mutations, genetic disorders, and genomic medicine.
The branch of medicine focused on health care of elderly people, aiming to promote health, prevent and treat diseases and disabilities.
The medical practice dealing with the health of the female reproductive system including the uterus, ovaries, and breasts.
The process of enabling people to increase control over and improve their health through education, community programs, and supportive environments.
The study of blood, blood-forming organs, and blood diseases including anemia, hemophilia, blood clots, leukemia, and lymphoma.
A form of indirect protection from infectious disease that occurs when a sufficient percentage of a population has become immune to an infection.
An ethical code historically taken by physicians, pledging to practice medicine honestly and to uphold specific ethical standards of care.
The study of the microscopic structure of tissues, essential for understanding how cells organize into functional structures and organs.
The ability of the body to maintain stable internal conditions such as temperature, pH, and glucose levels despite external changes.
The process of maintaining adequate fluid levels in the body, essential for cellular function, temperature regulation, and organ health.
The study of the immune system, including innate and adaptive immunity, allergies, autoimmune diseases, and immunodeficiencies.
The medical specialty dealing with the diagnosis, control, and treatment of infections, including those caused by bacteria, viruses, fungi, and parasites.
The process by which a patient or research participant is made aware of the risks, benefits, and alternatives before agreeing to a procedure or study.
Nutrients required in large amounts — carbohydrates, proteins, and fats — that provide energy and are essential for growth and metabolism.
The field of study examining moral principles in medical practice, including autonomy, beneficence, non-maleficence, and justice.
A statistical analysis that combines the results of multiple scientific studies to draw broader conclusions about a particular research question.
The set of chemical reactions in living organisms that convert food to energy, build cellular structures, and eliminate waste products.
The study of microscopic organisms including bacteria, viruses, fungi, and protozoa, and their effects on human health.
Essential vitamins and minerals required in small quantities for proper physiological function, growth, and disease prevention.
The branch of medicine that deals with kidney function, kidney diseases, dialysis, and renal transplantation.
The branch of medicine dealing with disorders of the nervous system, including the brain, spinal cord, and peripheral nerves.
Chemical messengers that transmit signals across synapses from one neuron to another, playing key roles in mood, memory, and motor control.
The process of providing or obtaining the food necessary for health and growth, encompassing macronutrients, micronutrients, and dietary patterns.
The branch of medicine dealing with pregnancy, childbirth, and the postpartum period, ensuring the health of both mother and child.
The study and treatment of tumors and cancer, encompassing diagnosis, chemotherapy, radiation therapy, immunotherapy, and palliative care.
Data that is freely available for anyone to use, modify, and share, promoting transparency and collaboration in health research.
The branch of medicine specializing in the anatomy, physiology, and diseases of the eye, including surgical and medical treatments.
The branch of medicine dealing with the correction and prevention of deformities, disorders, or injuries of bones, joints, ligaments, and muscles.
Also known as ENT (Ear, Nose, and Throat), this specialty addresses conditions of the ear, nose, throat, head, and neck.
A condition resulting from excessive exercise without adequate rest, leading to decreased performance, fatigue, mood disturbances, and increased injury risk.
An outbreak of a disease that occurs over a wide geographic area, crossing international boundaries and affecting a large number of people.
The study of the causes and effects of diseases, involving laboratory examination of body tissues, fluids, and organs for diagnostic purposes.
The right of patients to make informed decisions about their own medical care without undue influence from healthcare providers.
The branch of medicine that involves the medical care of infants, children, and adolescents up to the age of 18.
The evaluation of scientific work by others who are experts in the same field, ensuring quality and validity before publication.
The study of the biochemical and physiological effects of drugs on the body — 'what the drug does to the body.'
The study of how the body absorbs, distributes, metabolizes, and excretes drugs over time — often summarized as 'what the body does to the drug.'
The science of drugs, their origin, composition, pharmacokinetics, pharmacodynamics, therapeutic use, and toxicology.
The scientific study of normal functions and mechanisms in living organisms, including cellular, organ, and systemic processes.
An inactive substance or treatment used as a control in experiments to test the effectiveness of active medications or procedures.
Medical practices and policies designed to avert and avoid disease through vaccinations, screenings, lifestyle counseling, and community health interventions.
The medical specialty devoted to the diagnosis, prevention, and treatment of mental disorders including depression, anxiety, schizophrenia, and bipolar disorder.
The science and practice of protecting and improving the health of populations through education, policy-making, and research for disease prevention.
The medical specialty dealing with diseases of the respiratory system, lungs, and airways, including asthma, COPD, and pneumonia.
The medical specialty using imaging technologies such as X-rays, CT scans, MRI, and ultrasound to diagnose and treat diseases.
A type of clinical trial in which participants are randomly assigned to either the treatment group or the control group to minimize bias.
The process of restoring health, function, and well-being through physical therapy, occupational therapy, and other medical interventions.
The branch of medicine devoted to the diagnosis and treatment of rheumatic diseases affecting joints, muscles, and connective tissues, including arthritis and lupus.
A branch of medicine dealing with physical fitness, treatment and prevention of injuries related to sports and exercise.
Undifferentiated cells capable of developing into specialized cell types, holding significant promise for regenerative medicine and therapy.
The continuous, systematic collection, analysis, and interpretation of health-related data needed for the planning and evaluation of public health practice.
A rigorous and structured review of all available research evidence on a specific clinical question, following a predefined methodology.
The remote delivery of healthcare services using telecommunications technology, enabling diagnosis, treatment, and monitoring from a distance.
The ratio between the toxic dose and the therapeutic dose of a drug, used as a measure of the relative safety of the drug.