What Is the Obesity Epidemic? Biology, Environment, and Weight Science
US obesity tripled in four decades, reaching 42% by 2020. Explore the biology of why energy regulation fails, the role of the food environment,...
All articles tagged with "Biology"
US obesity tripled in four decades, reaching 42% by 2020. Explore the biology of why energy regulation fails, the role of the food environment,...
Gender is one of the most consequential and contested concepts in modern life. A rigorous guide to the biology, psychology, cross-cultural...
Emergence is how complex properties arise from simple rules — from starling murmurations to consciousness to market prices.
The immune system can remember pathogens it has encountered before and respond faster and stronger on re-exposure.
Why we age explained: the 12 hallmarks of aging, telomeres, epigenetic clocks, sirtuins, rapamycin, caloric restriction, and what longevity science...
Why do we age and die? Explore the biological mechanisms of aging — from telomeres and DNA damage to senescent cells and the hallmarks of aging —...
Why do 95% of diets lead to weight regain? Understand the biology of metabolic adaptation, hunger hormones, set point theory, and what the research...
What does longevity research actually support? Understand Blue Zones, the hallmarks of aging, caloric restriction, exercise, sleep, and why most...
A comprehensive guide to the immune system — innate and adaptive immunity, B and T cells, vaccines and memory, autoimmunity, cancer immunology,...
A comprehensive guide to genetics and DNA: from Mendel's pea plant experiments and the discovery of the double helix to CRISPR gene editing and...
What is actually happening in your muscles, heart, lungs, brain, and cells when you exercise?
Chronic low-grade inflammation underlies heart disease, diabetes, Alzheimer's, cancer, and depression.
What does the science actually say about recovering faster from illness? Understand the biology of healing — fever, rest, nutrition, hydration, and...
How does the immune system actually recognize and fight infections? Understand innate and adaptive immunity, T cells and B cells, antibodies,...
What is the gut microbiome and what does it actually do? Understand the science of gut bacteria, the gut-brain axis, how diet shapes the...
Pain is not simply damage detected by the body — it is a construction of the brain. Understand nociception, the gate control theory, phantom limb...
How does evolution actually work? Understand natural selection, genetic mutation, speciation, sexual selection, and the evidence that has made...
How epigenetics works: DNA methylation, histone modification, epigenetic clocks, and whether stress and trauma can be passed to future generations...
Cancer is not one disease but two hundred, united by a common logic: cells that break free from the constraints evolution built to stop them.
How do antibiotics work? Understand the mechanisms of different antibiotic classes, why antibiotic resistance is a global health crisis, and what...
Why do we feel disgust? Explore the evolutionary biology of revulsion, Rozin's contamination research, moral dumbfounding, and how disgust shapes...
Being a night owl is not laziness or a bad habit. Chronotype is biologically determined, varies enormously between individuals, and shifts...
A rigorous introduction to evolutionary psychology: its intellectual foundations in Cosmides and Tooby, core findings on kin selection and mate...
Depression is not simply low serotonin. Understand the actual science: inflammation, neuroplasticity, the HPA axis, genetics, stress...
Learn how the immune system works, from innate and adaptive immunity to T cells, B cells, antibodies, how vaccines work, and why autoimmune...
Learn how sleep works, including sleep stages NREM and REM, the circadian rhythm, adenosine and sleep pressure, sleep cycles, and what disrupts...
Pharmacology explained: how drugs move through the body, bind to receptors, and produce effects.
Evolutionary biology explained: Darwin's theory of natural selection, the Modern Synthesis, population genetics, speciation, sexual selection,...
A comprehensive guide to ecology: levels of organization, food webs and trophic cascades, keystone species, biodiversity, island biogeography,...