A sign of chronic gout, tophi are urate crystal deposits that can lead to joint damage. Learn about medical therapies that shrink and dissolve them over time.
Explore the biology of the X chromosome beyond sex determination, examining its essential genes and the unique ways they influence inheritance and human health.
Gain a clear overview of CPT2 deficiency, an inherited disorder of fat metabolism, from its genetic basis to the principles of its long-term management.
A normal red blood cell count is not a single value but a dynamic range that shifts with age and sex. Learn the science behind these expected variations.
Learn how physical and computational models replicate human biology, providing a safe, validated environment for medical training, research, and development.
Learn how a small muscular valve, the pyloric sphincter, controls stomach emptying for proper digestion and what happens when this vital function is disrupted.
Explore how the brain's primary excitatory signal drives neural activity, while its careful regulation is essential for supporting cognition and preventing cell damage.
Explore the dual biological pathways of methotrexate. Learn how its distinct effects on cellular growth and the immune system treat different medical conditions.
Discover the cognitive framework that allows our brains to assign value to sound, turning simple auditory information into nuanced understanding and feeling.
Uncover the connection between your jaw muscles, their function, and sources of strain. Find practical, at-home techniques for managing related discomfort.