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. What Is the Rotavirus Vaccine? Rotavirus is a major cause of severe diarrhea, dehydration, and hospital stays in infants. The vaccine is given by mouth, usually in two or three doses depending on the brand. It has an excellent safety record, and serious problems are … Read more
Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Alzheimer’s disease slowly affects memory, thinking, behavior, and the ability to perform daily tasks. The symptoms usually start small and grow over time. Early recognition matters because it allows better planning, treatment, and support for patients and families. What Are Alzheimer’s Disease Symptoms? Alzheimer’s disease … Read more
Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Quick Summary Pain behind the knee can come from joint issues, tendon injuries, nerve problems, or circulation disorders like a Baker cyst or a blood clot. The right diagnosis depends on the exact location of the pain, swelling, mobility limits, and any recent trauma. Early … Read more
Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Knee pain is a common complaint that affects people of all ages. It can range from mild discomfort to severe limitations in daily life. Understanding the causes, risk factors, and potential treatments is essential for managing knee health effectively. Common Causes of Knee Pain 1. … Read more
Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Knee pain can come from sudden injury, long-term wear, or medical conditions that affect the joint. The goal here is simple. Help you understand why it happens, what it means for your health, and the most effective ways to get real knee pain relief. Below … Read more
Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. The flu hits fast and can make even healthy people feel wiped out. Here is a clear and complete guide to what the flu looks like, how it behaves, and the treatments that actually help. What the Flu Really Looks Like The flu is caused … Read more
Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Here’s a clear and practical breakdown of how lupus shows up in real life today. The goal is to help patients, caregivers, and clinicians spot patterns early, understand what is typical and what is not, and know when symptoms point to something more serious. Quick … Read more
Marburg virus disease (MVD), sometimes referred to simply as Marburg, is a rare but extremely serious viral hemorrhagic fever. It’s caused by infection with Marburg virus (or closely related Ravn virus), members of the Filoviridae family — the same family as Ebola. Because of its high fatality rate, potential for human-to-human transmission, and lack of … Read more
By Dr Adam | Published November 13, 2025 Quick answer: The A1C test measures average blood sugar over 2–3 months by evaluating glycated hemoglobin. Values below 5.7% indicate normal glucose control, 5.7–6.4% identify prediabetes, and 6.5% or higher confirms diabetes. Regular testing detects uncontrolled glucose early and guides treatment precisely.Quick summary What is the A1C Test? The … Read more
Here’s the thing: although many people think of Measles as something from the past, it remains a serious health concern in 2025—especially given rising outbreak data, vaccination gaps, and evolving exposure patterns. What this article does is go beyond the usual list of “fever + rash” to map out the full journey of measles symptoms, … Read more
Treatment and Prevention Program, and FDA are investigating a multistate outbreak of infant botulism linked to recalled infant formula. Infant botulism happens when swallowed spores from a type of bacteria called Clostridium botulinum infects a baby’s large intestine and make toxin in it. Infant botulism often starts with constipation but is usually first noticed as … Read more
Quick Summary If you’re sitting down to a big holiday feast this year, there are some real-world health risks you need to know about. From digestive troubles and heart stress to blood-sugar spikes and hidden sodium bombs, today’s article explains why a holiday dinner isn’t just indulgence—it can be a warning sign. You’ll walk away … Read more
Quick Summary Symptoms of a Listeriosis (infection by Listeria monocytogenes) in 2025 often begin as flu-like or gastrointestinal complaints — fever, muscle aches, diarrhea, vomiting — but can escalate into serious complications such as meningitis, septicemia, or miscarriage in high-risk groups. This article breaks down how symptoms present, why they differ by risk group, the … Read more
Wrap-up Also Read: New COVID Symptoms Chart 2025 Understanding COVID-19 Variants and Their Impact on Case Trends The emergence of COVID-19 variants has become a critical aspect of understanding the pandemic’s trajectory. Variants arise due to mutations in the virus’s genetic material, which may lead to changes in transmissibility, virulence, or vaccine escape. This variability … Read more
Introduction Here’s the thing: when your vision isn’t sharp, it’s not just an annoyance—it’s a signal. Two of the most common refractive errors—Myopia and Hyperopia—often get lumped together, but they’re fundamentally different. Understanding the difference matters—for treatment, for prevention, and for long-term eye health. In this deep dive, we’ll unpack the mismatch in how your … Read more