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.
Quick Summary A morning nap is a short sleep taken after waking up for the day. Evidence shows brief naps (10–30 minutes) can improve alertness and cognitive performance, but longer or frequent morning naps may signal poor nighttime sleep, sleep disorders, or underlying health conditions. Proper timing, duration, and individual health status determine whether a … Read more
Quick Summary What Is Rotavirus? Rotavirus is a highly contagious virus that infects the intestines, causing acute gastroenteritis. It primarily affects infants and children under 5 years of age. According to the Centers for Disease Control and Prevention, rotavirus was once the most common cause of severe diarrhea in young children globally before vaccination programs … Read more
Emerging research from the Shanghai Tenth People’s Hospital has uncovered a startling link between the SARS-CoV-2 virus and persistent cardiac issues. For millions suffering from “Long COVID,” the mystery of why heart scans appear “normal” despite debilitating symptoms may finally have an answer: Cellular energy failure. The Study: Peering Into the Heart’s Powerhouse Researchers conducted … Read more
I still remember the panic in my neighbor’s voice in early 2023 when her toddler spiked a fever and broke out in that tell-tale rash. “Is this measles?” she texted at 2 a.m. Back then, cases felt rare—almost a relic of childhood stories from our parents. Fast forward to 2025, and the landscape has shifted. … Read more
Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. The landscape of COVID-19 continues to evolve as we move through 2026. While the virus has become a part of our daily lives, new strains like BA.3.2 (nicknamed “Cicada”) and the XFG family are currently the dominant variants in the United States. For families and … Read more
Quick Summary COVID variant BA 3.2 is not widely documented in major global health databases as of current verified data. Insufficient data exists to confirm it as a distinct, clinically recognized variant. Most discussions likely refer to sublineages of the Omicron family. Clinical guidance should follow established evidence from Omicron variants unless new peer-reviewed data … Read more
Back of knee pain refers to discomfort, tightness, or swelling felt behind the knee joint. This area is medically called the popliteal region. Pain here can range from mild stiffness to severe pain that limits walking. It can affect athletes, office workers, older adults, and people with chronic medical conditions. Back of knee pain is … Read more
Quick Summary Alcoholic hepatitis is a serious liver condition caused by prolonged alcohol use. Symptoms range from mild fatigue and appetite loss to severe jaundice and liver failure. Early detection improves outcomes. What Is Alcoholic Hepatitis? Alcoholic hepatitis is inflammation of the liver caused by excessive alcohol intake over time. It is part of the … Read more
Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Quick Overview The Flu Incubation Period 2026 refers to the time between exposure to the influenza virus and the appearance of symptoms. According to the Centers for Disease Control and Prevention (CDC), the incubation period for seasonal influenza averages 2 days, with a range of … Read more
Quick Summary Ozempic (semaglutide) is a GLP-1 receptor agonist used for type 2 diabetes and weight loss. Vaginal issues are not listed as a primary side effect in clinical trials. However, indirect effects such as changes in blood sugar, weight loss, dehydration, and hormonal shifts may contribute to vaginal symptoms including infections, dryness, and irritation. … Read more
Quick Summary Background A large observational dataset from England analyzed safety and effectiveness of mRNA COVID-19 vaccination in children and adolescents. The analysis used health records from hundreds of thousands to millions of individuals, including matched vaccinated and unvaccinated cohorts. The topic gained attention after public commentary on social media referencing study findings, particularly claims … Read more
Cognitive decline can occur in aging cats just as it does in humans. Veterinarians refer to this condition as Feline Cognitive Dysfunction (FCD). It affects memory, awareness, sleep cycles, and behavior. Research published in veterinary neurology journals indicates that cognitive decline becomes more common in cats older than 10–15 years. Some behavioral changes may appear … Read more
Dementia is a medical condition that causes a gradual decline in memory, thinking, and daily functioning. The symptoms of dementia usually develop slowly and worsen over time. Early signs may include memory loss, confusion, difficulty finding words, mood changes, and trouble completing familiar tasks. Recognizing these symptoms early allows patients and families to seek medical … Read more
Myocarditis, or inflammation of the heart muscle, has been a topic of discussion since the rollout of COVID-19 vaccines. A viral video circulating on social media shows a young woman in a hospital describing sudden chest pain initially thought to be a heart attack, later diagnosed as heart inflammation via catheterization with no arterial blockage. … Read more
A groundbreaking July 2025 study published in the journal Infection has provided compelling new evidence supporting the biological basis of long COVID. Researchers detected SARS-CoV-2 protein fragments inside extracellular vesicles (EVs) — tiny, naturally occurring packages in the blood — from patients experiencing persistent symptoms long after their initial COVID-19 infection. This discovery, achieved through … Read more