Your doctor hands you a printout covered in numbers, arrows, and reference ranges. Here is what each measurement actually tells you — and what to ask about.
Henry Molaison had his hippocampus removed and could no longer form new memories. What that tragedy taught us about how memory actually works — and how unreliable it is.
Your gut contains roughly 38 trillion microorganisms that influence your mood, weight, immune system, and possibly your personality. Here is what science actually knows.
From Edward Jenner's cowpox experiment to mRNA technology, vaccines exploit the immune system's most powerful feature: its memory. Here is exactly how.
Matthew Walker's research and decades of sleep science explain why those eight hours are not optional — and what happens to your brain and body when you skip them.
Your gut contains 500 million neurons and 100 trillion microbes. The emerging science of the gut-brain axis is rewriting what we know about mood, cognition, and mental health.