What to know before you try peptides
They’re sold as shortcuts to muscle, healing, weight loss, even a sharper brain. Here’s the honest map of what works, what doesn’t, and where the real risks are.
The Neuroscience Review
Real brain research, made readable.
Latest posts
Can a brain implant read the voice in your head?
A brain implant caught sentences a person only imagined. The same study shows how limited, and how careful, that reading has to be.
How can one drug treat both depression and anxiety?
The same pill is a first choice for depression and for panic, social anxiety, and OCD. That one fact strains the chemical imbalance story and points at how antidepressants really work.
What happens when you put prism glasses on a barn owl?
A young owl in goggles that shift its whole world sideways, and the map of sound in its brain sliding over to match. One of the clearest demonstrations that experience wires the brain.
You use all of your brain.
One of the most popular myths about the brain. Why it's wrong, where it came from, and the stranger truth it was clumsily pointing at.
Do the new Alzheimer's drugs actually work?
A 2023 trial cleared amyloid plaque from people's brains with the drug donanemab and modestly slowed their decline. A breakdown of what that really bought, and what it cost.
Scientists found an aggression switch in the mouse brain
A 2011 study switched on a pinhead of neurons in the mouse hypothalamus and a calm male attacked almost anything. Here's how aggression got a physical address in the brain.
Why do you need to sleep?
You spend a third of your life unconscious and you can't skip it. For something that costly, sleep must be doing real work. Here's what the research says it's for.
Why can't most drugs reach your brain?
You can swallow a pill and it reaches your whole body, but most drugs never reach your brain. The blood-brain barrier is why, and it's the hardest problem in brain medicine.
What does an fMRI actually measure?
When a headline says a brain region lit up, what was measured? Not thoughts, and not even electricity. Blood, indirectly, and a few seconds late.
How does memory actually work?
A memory isn't a recording filed away in a drawer. It's a physical change in your neurons, rebuilt every time you remember.
What is a neuron, really?
A neuron isn't just "a brain cell that sends signals." Here's what one actually is, built up from scratch.
Dopamine doesn't do what you think it does.
Dopamine isn't really the "pleasure chemical." It's something stranger, and the popular misuse of the word has consequences.