Neuroscience

94 articles with this tag

How PM2.5 Harms Your Body—From Lungs to Brain Health

How PM2.5 Harms Your Body—From Lungs to Brain

Fine particulate matter smaller than 2.5 micrometers penetrates deep into lungs, enters the bloodstream, and reaches the brain, contributing to nearly...

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How Cognitive Reserve Works—and Why It Shields Your Brain Health

How Cognitive Reserve Works—and Why It Shields Your Brain

Cognitive reserve is the brain's ability to resist damage from aging and disease by recruiting alternative neural pathways. Built through education, r...

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What Is Glioblastoma—and Why Is It So Hard to Treat? Health

What Is Glioblastoma—and Why Is It So Hard to Treat?

Glioblastoma is the most aggressive brain cancer, with a median survival of just 15 months. Here's how it grows, why the blood-brain barrier blocks tr...

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How Smell Tests Detect Alzheimer's Before Memory Fades Science

How Smell Tests Detect Alzheimer's Before Memory Fades

Scientists have discovered that the sense of smell declines years before memory loss in Alzheimer's disease. Simple, low-cost olfactory tests may offe...

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How Lead Poisoning Works—and Why No Level Is Safe Health

How Lead Poisoning Works—and Why No Level Is Safe

Lead tricks the body by mimicking calcium, slipping past the blood-brain barrier and disrupting neuron signaling. Here's how this ancient metal still...

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What Are Gasotransmitters and How They Signal in Your Body Science

What Are Gasotransmitters and How They Signal in Your Body

Your cells produce three toxic gases—nitric oxide, carbon monoxide, and hydrogen sulfide—that double as vital signaling molecules regulating blood pre...

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How Optogenetics Works—Controlling Cells With Light Science

How Optogenetics Works—Controlling Cells With Light

Optogenetics uses light-sensitive proteins to switch individual brain cells on and off with millisecond precision, opening doors to treating blindness...

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How ALS Attacks the Body—and Why It's So Hard to Stop Science

How ALS Attacks the Body—and Why It's So Hard to Stop

Amyotrophic lateral sclerosis destroys motor neurons that control voluntary movement, leaving patients progressively paralyzed. Here's how the disease...

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How Autism and ADHD Overlap in the Brain Science

How Autism and ADHD Overlap in the Brain

Up to 70% of people with autism also have ADHD. New brain-imaging and genetic research reveals why these two conditions so often travel together—and w...

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How Scientists Map the Brain's Wiring Science

How Scientists Map the Brain's Wiring

Connectomics is the science of mapping every neural connection in a brain. From the 302-neuron worm mapped in the 1980s to the fruit fly's 130,000 neu...

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How the Brain's Glymphatic System Cleans Itself Science

How the Brain's Glymphatic System Cleans Itself

The glymphatic system is a recently discovered waste-clearance network that flushes toxic proteins from the brain during sleep, with major implication...

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How Pretend Play Works—and Why Apes Do It Too Science

How Pretend Play Works—and Why Apes Do It Too

Pretend play was long considered uniquely human, but a landmark bonobo study suggests imagination evolved millions of years ago. Here's how make-belie...

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