Evidence-Based Medical Knowledge You Can Trust
Infectious diseases are illnesses caused by bacteria, viruses, fungi, or parasites, spreading through contact, food, water, or vectors.
Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Influenza A is not just a bad cold. It is a fast-moving viral illness that can hit hard, spread quickly, and lead to serious complications in the wrong setting. Knowing influenza A symptoms early can make a real difference in recovery time, complication risk, and … Read more
Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Coronavirus disease, often called corona or COVID-19, is not just a single set of symptoms that looks the same for everyone. Some people feel like they have a mild cold. Others develop serious lung problems or long-term health issues. Understanding the symptoms of corona helps … Read more
Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Swollen throat glands can feel scary when they show up out of nowhere. Your neck feels tight, swallowing hurts, and you may worry something serious is going on. The good news is that most cases have clear causes and respond well to simple care. Still, … Read more
Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Quick Summary Yes. An ear infection can cause a sore throat because the ear and throat share nerves, drainage pathways, and lymphatic structures. Pain often travels between these areas, and fluid from the middle ear can drain down the throat, creating irritation. But the real … Read more
As we navigate the evolving landscape of respiratory illnesses in 2025, staying informed about the latest symptom profiles is crucial for personal health and public safety. The virus responsible for the global pandemic has undergone numerous changes, influencing how symptoms present and how individuals experience the illness. This article offers a deeply researched, nuanced exploration … Read more
COVID comes from the SARS-CoV-2 virus. It spreads through tiny particles in the air that an infected person breathes out. These particles can stay in the air for hours, even after the person has left the room. You can catch the virus from someone who looks completely healthy, because many people spread it before they … Read more
As we move deeper into 2025, the landscape of COVID-19 continues to evolve, bringing with it new challenges and insights. Understanding the latest symptomatology is crucial—not only for individuals seeking to protect their health but also for healthcare professionals aiming to provide timely and accurate care. This article offers a comprehensive, expert-driven exploration of the … Read more
As we navigate the evolving landscape of the COVID-19 pandemic in 2025–2026, understanding the current COVID symptoms remains crucial for personal health and public safety. While much has been learned since the virus first emerged, the virus’s mutations, vaccination impacts, and changing population immunity have shifted the symptom profile in subtle yet significant ways. This … Read more
As we move deeper into 2025, the global understanding of COVID-19 continues to evolve. While the pandemic’s acute phase has largely receded, questions about the duration and nature of COVID symptoms remain at the forefront of public health discussions. This article aims to provide a comprehensive, nuanced exploration of how long COVID symptoms last in … Read more
As someone who’s spent years navigating the front lines of public health—first as a nurse during the early pandemic waves and now as a health educator—I’ve seen firsthand how confusing and frightening COVID-19 symptoms can be. That initial twinge of fatigue or the nagging dry cough that keeps you up at night? It might just … Read more
As we navigate the evolving landscape of the COVID-19 pandemic in 2025, understanding the latest symptoms is crucial for timely diagnosis, treatment, and prevention. This article offers a comprehensive, expert-driven exploration of the newest symptom profiles emerging in 2025, grounded in the latest clinical data and frontline experiences. Our goal is to inform and empower … Read more
Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Quick Summary The common cold is usually mild, but the symptoms can drain your energy and slow you down. The best treatment is a mix of rest, hydration, targeted symptom relief, and smart prevention. This guide walks you through clear steps to feel better faster … Read more
Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. What the Common Cold Really Looks Like The common cold shows up as a mix of nose, throat, and sinus symptoms. It usually builds slowly, peaks around day three, and fades within a week or two. Most cases are mild, but the pattern and timing … Read more
Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Quick Answer Most common colds last 7 to 10 days, but symptoms may linger up to 2 weeks in some people. What Causes the Common Cold The common cold comes from a group of viruses, most often rhinoviruses. These viruses target the upper airway and … Read more
Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Pancreatic cancer is known for hiding in plain sight. Most people do not feel early symptoms, and when signs do show up, they often look like common digestive problems. What finally pushes someone to seek help is usually a pattern of symptoms that do not … Read more