What Is Exendin-4 and How Is It Used in Medicine?
Discover how a peptide from a natural source was developed into a medication that works with the body's hormones to regulate blood sugar and metabolism.
What Is Zylocaine and What Is It Used For?
Gain a clear understanding of the local anesthetic Zylocaine (lidocaine), from how it numbs a specific area to its role in routine medical care.
Svante Pääbo: His Discoveries and Our Genetic Legacy
Explore the Nobel-winning science that read the DNA of our ancient relatives and what their genetic legacy means for our own biology and evolution today.
What Is Advanced Airway CPR and How Is It Performed?
Understand the shift in CPR strategy when an advanced airway is used, enabling continuous chest compressions and independent ventilations by medical professionals.
What Is Sporadic Alzheimer’s Disease?
Learn how the common form of Alzheimer's develops from a combination of genetic and lifestyle risk factors, not a single inherited gene.
Untreated Priapism Pictures: What Happens to the Penis?
When a prolonged erection is not treated, the lack of oxygenated blood flow causes progressive tissue damage, leading to permanent structural changes.
What Is the Flashed Face Distortion Effect?
This visual illusion offers a unique look at how the brain processes faces, revealing a system that relies on comparison to create a stable reality.
Gossypiboma: Causes, Symptoms, and Treatment Options
A retained surgical sponge, or gossypiboma, can trigger varied bodily responses, from acute inflammation to a slow-forming, encapsulated mass.
What Is a Respiratory Disorder in the Neonate?
Understand the medical approach to newborn breathing issues, from how they are identified to the supportive care that leads to a healthy recovery.
How Far Can a Cough Travel? The Science of Spreading
A cough's reach is more complex than a single number. Discover how its airborne contents linger and move based on their properties and surrounding conditions.
What Is DOPAL and Why Is It Toxic to the Brain?
Explore DOPAL, a natural byproduct of dopamine breakdown. Learn how this compound can become toxic to neurons and its implications for brain health.
What Is Contact Inhibition and Why Does It Matter for Cancer?
Explore the biological process that tells cells when to stop growing. Understanding this mechanism provides insight into tissue maintenance and cell overgrowth.
The Scientific Evidence for Climate Change
Explore the converging lines of scientific observation that document long-term changes across Earth's interconnected systems.
What Is Undulant Fever? Symptoms, Causes, and Treatment
Learn about undulant fever (brucellosis), a bacterial illness defined by its link to animal exposure and a distinct, recurring pattern of fever and fatigue.
How Rat Vision Works: Light, Color, and Night Sight
Discover how a rat's vision is uniquely adapted for survival, trading sharp focus for exceptional low-light sensitivity and a wide field of view.
The TCGA Database and Its Impact on Cancer Research
Discover how a comprehensive public catalog of cancer's molecular data has shifted research, enabling a more nuanced understanding beyond organ-based diagnosis.
Is Endometrial Cancer Hereditary? A Look at Genetic Risk
While most cases are not inherited, understanding the genetic component of endometrial cancer can clarify personal risk and guide proactive health choices.
What Are the Long-Term Effects of TRT on the Body?
Explore the systemic, long-term physiological changes that occur with Testosterone Replacement Therapy, a medical commitment requiring careful, ongoing oversight.
What to Do If You Find Freshwater Turtle Eggs
Encountering a freshwater turtle nest offers a glimpse into their life cycle. This guide explains their development and how human actions can help or harm them.
Efference: How Your Brain Predicts Your Actions
Learn how the brain predicts the sensory outcomes of your actions using an internal copy of its commands, creating a stable perception and a sense of self.