Evidence-Based Medical Knowledge You Can Trust
Medically Reviewed and Compiled by Dr. [Adam N. Khan], MD. LDL cholesterol, commonly referred to as “bad cholesterol,” is one of the most critical and well-studied biomarkers in cardiovascular medicine. Elevated LDL cholesterol is a primary, causal risk factor for atherosclerotic cardiovascular disease (ASCVD), including coronary artery disease, heart attack, and ischemic stroke. Despite its … Read more
Medically Reviewed and Compiled by Dr. [Adam N. Khan], MD. A low cholesterol diet is a structured nutritional approach designed to reduce levels of low-density lipoprotein (LDL) cholesterol and total cholesterol in the blood. Elevated cholesterol is a well-established risk factor for atherosclerotic cardiovascular disease, including coronary artery disease, stroke, and peripheral vascular disease. Dietary … Read more
Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. HDL cholesterol, commonly called “good cholesterol,” is a lipid fraction in the blood associated with reduced cardiovascular risk in population studies. HDL stands for high-density lipoprotein, a complex particle composed of cholesterol, phospholipids, and proteins known as apolipoproteins. Unlike low-density lipoprotein (LDL), which transports cholesterol … Read more
Medically Reviewed and Compiled by Dr. [Adam N. Khan], MD. Pancreatic cancer is among the most lethal malignancies due to its typically late presentation and aggressive biological behavior. The pancreas lies deep within the abdomen, allowing tumors to grow silently before producing noticeable symptoms. As a result, early signs are often vague, nonspecific, or mistaken … Read more
Medically Reviewed and Compiled by Dr. [Adam N. Khan], MD. The pancreatic cancer survival rate remains among the lowest of all major cancers. Overall 5-year survival is approximately 13% in the United States, largely due to late diagnosis and aggressive tumor biology. Survival varies significantly by stage at diagnosis, tumor type, resectability, and patient-specific factors. … Read more
Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Quick Summary “Super flu” is a non-technical term used to describe unusually severe influenza infections with intense symptoms, higher complication risk, and prolonged recovery compared with typical seasonal flu. What Is Meant by “Super Flu”? “Super flu” is not a formal medical diagnosis. It is … Read more
Medically Reviewed and Compiled by Dr. [Adam N. Khan], MD. Influenza (flu) is an acute viral respiratory illness caused primarily by influenza A and B viruses. It affects millions of people globally each year and ranges from mild, self-limiting illness to severe disease with complications, hospitalization, or death. Understanding the symptoms of flu is critical … Read more
Medically Reviewed and Compiled by Dr. [Adam N. Khan], MD. Quick Clinical Answer Obsessive-Compulsive Disorder (OCD) is a chronic mental health condition characterized by recurrent intrusive thoughts (obsessions) and repetitive behaviors or mental rituals (compulsions) performed to reduce anxiety. While historically classified as an anxiety disorder, current nosology in DSM-5 separates OCD into its own … Read more
Medically Reviewed and Compiled by Dr. [Adam N. Khan], MD. Quick Clinical Definition Generalized Anxiety Disorder (GAD) is a chronic mental health condition defined by excessive, persistent, and uncontrollable worry about multiple areas of life, present most days for at least six months, and associated with physical and cognitive symptoms that impair daily functioning. Introduction: … Read more
Medically Reviewed and Compiled by Dr. [Adam N. Khan], MD. Quick Historical Overview The Great Depression was a severe, worldwide economic downturn that began in 1929 and lasted through the late 1930s, with recovery largely occurring during the early 1940s in most industrialized countries. It was triggered by a combination of financial instability, stock market … Read more
Medically Reviewed and Compiled by Dr. [Adam N. Khan], MD. Quick Overview The Great Depression, beginning in 1929 and lasting through the late 1930s, was triggered by a combination of financial instability, structural economic imbalances, and policy missteps. Causes ranged from the stock market crash and banking failures to global trade disruptions, agricultural overproduction, and … Read more
Medically Reviewed and Compiled by Dr. [Adam N. Khan], MD. Quick Clinical Definition Depression, clinically termed major depressive disorder (MDD), is a common and serious mood disorder characterized by persistent sadness, loss of interest or pleasure, and impaired daily functioning. It affects emotional, cognitive, behavioral, and physical domains and can significantly increase morbidity and mortality … Read more
Medically Reviewed and Compiled by Dr. [Adam N. Khan], MD. Quick Medical Definition Attention-Deficit/Hyperactivity Disorder (ADHD) is a chronic neurodevelopmental disorder characterized by persistent patterns of inattention, hyperactivity, and impulsivity that interfere with functioning or development. ADHD begins in childhood but often persists into adolescence and adulthood, affecting academic, occupational, social, and emotional outcomes. Introduction: … Read more
Medically Reviewed and Compiled by Dr. [Adam N. Khan], MD. Quick Overview The Great Depression, the most severe economic downturn of the 20th century, began in 1929 and lasted throughout the 1930s, with global recovery extending into the early 1940s. Its onset is widely associated with the U.S. stock market crash in October 1929, but … Read more
Medically Reviewed and Compiled by Dr. [Adam N. Khan], MD. Quick Clinical Definition Post-Traumatic Stress Disorder (PTSD) is a psychiatric disorder that can develop after exposure to one or more traumatic events, such as combat, natural disasters, sexual assault, or severe accidents. It is characterized by intrusive memories, avoidance behaviors, negative alterations in mood and … Read more