What Is Long COVID? Symptoms, Mechanisms, and the Ongoing Science
Long COVID affects an estimated 10-30% of COVID-infected individuals with symptoms lasting months.
April 2025
February 2025
How the Immune System Learns: Memory, Vaccines, and Adaptive Immunity
The immune system can remember pathogens it has encountered before and respond faster and stronger on re-exposure.
August 2024
What Is the Immune System? How Your Body Fights Disease
A comprehensive guide to the immune system — innate and adaptive immunity, B and T cells, vaccines and memory, autoimmunity, cancer immunology,...
July 2024
What Happens When You Don't Sleep: The Biology of Sleep Deprivation
What does sleep deprivation actually do to your body and brain? From impaired cognition and immune suppression to Alzheimer's risk and emotional...
What Causes Chronic Inflammation: The Root of Modern Disease
Chronic low-grade inflammation underlies heart disease, diabetes, Alzheimer's, cancer, and depression.
What Actually Boosts Your Immune System: Science vs. Supplement Marketing
What actually strengthens your immune system? Separate science from marketing hype — understand what sleep, exercise, nutrition, stress, and...
How Vaccines Work: The Immune System and the Science of Immunity
Vaccines teach the immune system to recognize and fight pathogens before real infection occurs.
How to Recover Faster from Illness: The Biology of Healing
What does the science actually say about recovering faster from illness? Understand the biology of healing — fever, rest, nutrition, hydration, and...
How the Human Immune System Works: Innate vs. Adaptive Immunity
How does the immune system actually recognize and fight infections? Understand innate and adaptive immunity, T cells and B cells, antibodies,...
August 2023
How Does the Immune System Work?
Learn how the immune system works, from innate and adaptive immunity to T cells, B cells, antibodies, how vaccines work, and why autoimmune...
June 2022
What Is the Microbiome?
The human microbiome consists of trillions of microorganisms living in and on the body. Explore the science of gut bacteria, immune crosstalk, the...