MedlinePlus
MedlinePlus is a U.S. National Library of Medicine health information website for patients, families, caregivers, students, and the public.
Category
Health Topics
Browse Qlopedia topics grouped under Health.
166 topics, showing 25-48 on page 2 of 7.
Topics
Yuka
Yuka is a website and mobile app that scans food, beauty, and personal care products, explains ingredient and nutrition ratings, and suggests healthier alternatives when a product receives a low score.
Disease surveillance
Disease surveillance is the continuous collection, analysis, interpretation, and sharing of health data so public health teams can detect outbreaks, monitor trends, and guide action.
Paramedicine
Paramedicine is the health profession that brings assessment, stabilization, treatment, and transport to patients before they reach a hospital or clinic.
Vascular surgery
Vascular surgery is the surgical specialty focused on diseases of arteries, veins, and lymphatic circulation, using medical care, imaging, minimally invasive endovascular procedures, and open operations to prevent stroke, limb loss, rupture, pain, swelling, and organ damage.
Echocardiography
Echocardiography is cardiac ultrasound: a medical imaging method that uses sound waves to show the heart's chambers, valves, pumping function, wall motion, blood flow, pressures, and structural problems in real time.
Diagnostic medical sonography
Diagnostic medical sonography is the health profession that uses ultrasound equipment to create real-time images and measurements of organs, tissues, blood flow, pregnancy, and disease processes for clinical diagnosis and patient care.
Radiologic technology
Radiologic technology is the health profession focused on performing medical imaging examinations, positioning patients, operating imaging equipment, applying radiation protection, and producing diagnostic images for radiologists and other clinicians.
Nuclear medicine
Nuclear medicine is the medical field that uses small amounts of radioactive materials, called radiotracers or radiopharmaceuticals, to image body function, diagnose disease, guide treatment, and deliver targeted radiation therapy in selected conditions.
Medical physics
Medical physics applies physics, measurement, computing, imaging, radiation science, and quality assurance to medicine, especially in radiation therapy, diagnostic imaging, nuclear medicine, radiation protection, and equipment safety.
Radiation therapy
Radiation therapy is a cancer treatment that uses carefully planned doses of ionizing radiation to damage cancer cells, shrink tumors, relieve symptoms, and spare nearby healthy tissue as much as possible.
Blood donation
Blood donation is the voluntary collection of blood or blood components from eligible donors so tested and processed products can support transfusion, emergency care, surgery, cancer treatment, childbirth complications, chronic disease care, and public health readiness.
Phlebotomy
Phlebotomy is the practice of collecting blood specimens for medical testing, donation, monitoring, or treatment, with careful attention to patient identification, venipuncture technique, specimen quality, infection control, labeling, and safe handoff to the laboratory.
Transfusion medicine
Transfusion medicine is the medical and laboratory field focused on blood donation, blood component preparation, compatibility testing, transfusion safety, patient blood management, therapeutic apheresis, and the clinical use of blood products.
Medical laboratory science
Medical laboratory science is the health profession focused on analyzing blood, body fluids, tissues, cells, microbes, and molecular markers to support diagnosis, treatment monitoring, transfusion safety, public health, and clinical decision-making.
Respiratory therapy
Respiratory therapy is the health profession focused on assessing breathing, supporting oxygenation and ventilation, managing airway and lung treatments, operating respiratory equipment, and helping people with acute or chronic cardiopulmonary problems.
Audiology
Audiology is the health profession focused on hearing, balance, tinnitus, auditory processing, hearing protection, assistive listening technology, and rehabilitation for people with ear and communication-related disorders.
Speech-language pathology
Speech-language pathology is the health and education profession focused on evaluating and treating communication, speech, language, voice, fluency, literacy, cognitive-communication, and swallowing disorders across the lifespan.
Occupational therapy
Occupational therapy is the health profession focused on helping people participate in meaningful daily activities through assessment, skill building, adaptation, assistive strategies, rehabilitation, prevention, and environmental support.
Physical therapy
Physical therapy is the health profession focused on evaluating movement, improving mobility and strength, reducing pain, restoring function, and helping people participate safely in daily life after injury, illness, surgery, disability, or physical limitation.
Pain medicine
Pain medicine is the interdisciplinary medical field focused on understanding, diagnosing, and treating acute, chronic, cancer-related, procedural, and nerve-related pain while improving function and quality of life.
Addiction medicine
Addiction medicine is the medical field focused on preventing, evaluating, diagnosing, treating, and supporting recovery from addiction and substance-related health conditions.
Travel medicine
Travel medicine is the clinical field focused on preventing, recognizing, and managing health risks linked to travel, including vaccines, malaria prevention, food and water safety, altitude, injury, chronic conditions, outbreaks, and illness after return.
Preventive medicine
Preventive medicine is the medical specialty focused on preventing disease, injury, disability, and early death through screening, vaccination, risk reduction, health promotion, policy, and population-level action.