Nick Norwitz interviews Aseem Malhotra, MD, a consultant cardiologist, on controversial new findings challenging LDL cholesterol’s role as an independent risk factor for heart disease. They discuss data…
Immune thrombocytopenic purpura (ITP) is an autoimmune disorder where antibodies target platelets, leading to their destruction in the spleen and resulting in reduced platelet counts. It often presents…
Infectious diseases are caused by pathogens like bacteria, viruses, fungi, or parasites. While many microbes coexist harmlessly with humans as part of the normal flora, some can invade…
The digestive process begins with a bite of food, traveling through the esophagus via peristalsis to the stomach, where powerful acids and enzymes break it down. Nutrients are…
Tuberculosis (TB), the deadliest infectious disease in human history, has shaped societies for millennia. Despite being curable, TB still kills 1.5 million people annually, largely due to poverty,…
Polycystic Kidney Disease (PKD) is a genetic condition causing cysts to grow in the kidneys, potentially leading to kidney failure. Symptoms may include back pain, blood in urine,…
The video presents a comprehensive breakdown of the cardiac cycle, focusing on both mechanical and electrical events in the heart. Key phases are discussed, such as atrial contraction,…
This video provides an overview of high-yield endocrine disorders for the MCAT, focusing on hyperthyroidism and hypothyroidism, along with related topics. The tutor explains the basics of the…
Sam Ellis, MD, a board-certified dermatologist, shares 10 skincare mistakes she would never make again, aiming to educate viewers on better practices. She highlights avoiding intense pulsed light…
The immune system defends against foreign substances, with antigens triggering an immune response. In some cases, excessive immune responses cause inflammation and tissue damage, known as an allergic…
Jennifer Lincoln, MD, a board-certified OBGYN, demonstrates a pelvic exam on a simulation model, explaining its components and purpose. She covers the external and internal anatomy assessed during…
University Gastroenterology’s Virginia Pierce, MS, FNP, explains that a capsule endoscopy is used to examine the small intestine, an area not reachable by traditional upper endoscopy or colonoscopy.…