MedSimple — Plain English Medicine

Understand any medical article instantly. Hover over complex medical terms to see plain-English explanations.

Ever read a medical article and felt like it was written in another language? MedSimple instantly translates over 600 medical, biological, and pharmacological terms into plain English — right on the page you're reading. No clicks, no popups, no setup. 💊 WHAT IT DOES • Adds a subtle green dashed underline to every medical term it finds on the page • Hover over an underlined term → see a plain-English explanation in a tooltip • Select any text containing a medical term → an "📚 Explain" button appears with the definition • Works on every site — news articles, Wikipedia, research papers, medical journals, hospital discharge notes, lab results 📚 WHAT'S COVERED — 600+ terms across 30+ categories: • Cardiology — myocardial infarction, atherosclerosis, atrial fibrillation, heart failure, valves, stents • Respiratory — COPD, asthma, emphysema, pulmonary embolism, sleep apnea, ARDS • Gastroenterology — GERD, IBS, Crohn's, ulcerative colitis, hepatitis, cirrhosis, fatty liver • Endocrinology — type 1/2 diabetes, hypothyroidism, Cushing, Addison, Hashimoto, Graves • Neurology — stroke, dementia, Alzheimer's, Parkinson's, ALS, MS, seizures, migraine • Oncology — carcinoma, metastasis, chemotherapy, immunotherapy, lymphoma, leukemia, melanoma • Hematology — anemia, thrombocytopenia, hemophilia, sickle cell, transfusion • Reproductive / OB-GYN — preeclampsia, endometriosis, PCOS, IVF, menopause, BPH, prostatitis • Ophthalmology — cataract, glaucoma, retinopathy, conjunctivitis, myopia, astigmatism • ENT — otitis media, sinusitis, laryngitis, tinnitus, vertigo • Psychiatry — depression, anxiety, ADHD, OCD, PTSD, bipolar, autism spectrum • Immunology & infections — bacteria, viruses, HIV, HPV, MRSA, COVID-19, vaccines, IgE/IgG • Pharmacology — statins, beta blockers, ACE inhibitors, opioids, anticoagulants, SSRIs • Lab values — HbA1c, LDL/HDL, CBC, CRP, ESR, BUN, creatinine, troponin • Imaging — MRI, CT, PET, ultrasound, echocardiogram, EKG/ECG, EEG, mammogram • Cellular & molecular biology — apoptosis, senescence, mitosis, gene expression, signaling pathways • Anatomy — every major organ, vessel, gland, nerve, and tissue 🎯 TWO WAYS TO GET A DEFINITION 1. Hover — any term we recognize gets a green dashed underline. Hover for the explanation. 2. Select — highlight any word or phrase that contains a known term — a green "📚 Explain" button pops up. Click it for the definition. Works even if the term wasn't auto-underlined (great for partially-matching phrases). 🔒 PRIVACY FIRST • 100% local — nothing about what you're reading ever leaves your browser • No accounts, no signups, no analytics, no third-party requests • The only setting stored is your on/off toggle • The dictionary is built into the extension, not fetched from any server ⚙️ TOGGLE ON/OFF: One click on the toolbar icon turns the underlines on or off site-wide. ⚠️ IMPORTANT NOTE MedSimple is for educational and accessibility purposes only. It is not medical advice. Always consult a qualified healthcare professional for any medical decisions.