Do Coelacanths Have Lungs or Gills?
The respiratory system of the coelacanth reveals key evidence about the ancient evolutionary shift that allowed vertebrates to begin breathing air.
A Scientific Review of Microneedling Research
This scientific review examines the evidence behind microneedling, from its biological mechanism to its investigated efficacy in various dermatological applications.
The Meaning of Synoviocytes in Synovial Fluid
Learn about synoviocytes, the cells that create synovial fluid, and what their presence and state within that fluid reveals about a joint's overall condition.
What Does an Ivory-Billed Woodpecker Look Like in Flight?
Understanding the Ivory-billed Woodpecker's direct flight and distinct wing patterns is key to its identification and the ongoing debate over its existence.
What Is a Pinprick Test and Why Is It Performed?
This fundamental neurological exam evaluates how well your sensory nerves communicate with your brain, offering insight into your nervous system's health.
What Is the HIV Rev Protein and Why Is It Important?
Examine the essential HIV Rev protein, a master regulator that allows the virus to bypass cellular rules and control its own genetic expression for propagation.
Aromatic Amine: Sources, Uses, and Health Dangers
A look at aromatic amines, the organic compounds behind many industrial goods and the reasons why their exposure is carefully managed.
What Is a Systemic Injection? How It Works & Uses
A systemic injection delivers medication that travels through the body. Learn how this method works to treat conditions requiring a whole-system approach.
What Is the Condition Where Soft Tissue Turns to Bone?
Delve into a rare genetic disorder where the body's natural repair system is misdirected, causing muscle and connective tissue to be replaced by bone over time.
What Is the Life Expectancy for a Diffuse Glioma?
The survival outlook for a diffuse glioma is highly individualized, determined by the tumor's distinct biology, patient health, and medical approaches.
Longevity Genes: Key Pathways to a Longer, Healthier Life
Explore the science of longevity genes, from their role in regulating cellular health to how their expression can be influenced by our environment and habits.
What Is Iron Therapy and How Does It Work?
Understand the process of iron therapy, a medical treatment for low iron. Learn how it is administered, tailored to patient needs, and monitored for safety.
Culicoides Spp: Biology, Disease Transmission, and Control
Explore the connection between the life cycle of Culicoides biting midges, their impact on animal health, and integrated approaches for their management.
What Is Lipotropin and How Does It Work?
Lipotropin is a pituitary hormone with a dual function: it aids in fat metabolism and serves as a precursor to vital peptides like beta-endorphin.
What Is Single Cell Necrosis and What Causes It?
Explore how cellular injury can cause an unregulated breakdown of a single cell, a disruptive process that triggers inflammation and impacts tissue health.
SPEI Drought Index: What It Is and Why It Matters
Explore how a comprehensive drought index accounts for both precipitation and temperature, offering a vital tool for understanding water availability in a changing climate.
Does Niacin Cause Cancer? Examining the Evidence
This article examines the nuanced scientific evidence on niacin and cancer, clarifying the critical distinction between dietary intake and supplement dosage.
Why PMDD Symptoms Appear During the Luteal Phase
PMDD's timing in the luteal phase is linked to the brain's unique sensitivity to normal hormonal shifts, which affects mood-regulating neurotransmitters.
Bone Crushing Animals: The Biology of Eating Bones
Explore the interplay of anatomy, diet, and environment that shaped the evolution of bone consumption, a specialized and vital ecological function.
What % of Kids with ADHD Don’t Respond to Stimulants?
Not every child with ADHD responds to stimulants. This article explores the complexities of treatment efficacy and the importance of an individualized care plan.