Medical Research

323 articles with this tag

What Are SuperAgers—and Why Their Brains Stay Young Science

What Are SuperAgers—and Why Their Brains Stay Young

SuperAgers are adults over 80 whose memory rivals people decades younger. Scientists have discovered they produce twice as many new neurons and carry...

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How the Gut-Brain Axis Works—Your Second Brain Science

How the Gut-Brain Axis Works—Your Second Brain

The gut contains 500 million neurons and produces over 90% of the body's serotonin. The gut-brain axis is a bidirectional communication highway linkin...

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How Brain-Eating Amoebas Work—and Why They're Spreading Science

How Brain-Eating Amoebas Work—and Why They're Spreading

Naegleria fowleri kills over 97% of those infected by traveling from the nose to the brain. Climate change is pushing this rare but devastating organi...

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How Malaria Works—and Why It Still Kills Health

How Malaria Works—and Why It Still Kills

Malaria kills over 600,000 people a year despite being preventable and treatable. Here's how the parasite hijacks your blood cells, evades your immune...

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How Male Contraception Works—and Why It's So Hard Science

How Male Contraception Works—and Why It's So Hard

Men have had only three birth-control options for decades. A look at why developing new male contraceptives is so difficult, what approaches scientist...

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How Tinnitus Works—and Why Your Brain Won't Stop Ringing Health

How Tinnitus Works—and Why Your Brain Won't Stop Ringing

Tinnitus affects roughly one in seven adults worldwide, yet there is no cure. Here's how phantom sound originates in the brain, what triggers it, and...

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How Pharmacogenomics Works—Why the Same Drug Hits Different Health

How Pharmacogenomics Works—Why the Same Drug Hits Different

Pharmacogenomics explains why identical medications can cure one patient and harm another. By reading genetic variants in drug-metabolizing enzymes an...

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How GLP-1 Drugs Work—and Why They Do So Much Health

How GLP-1 Drugs Work—and Why They Do So Much

GLP-1 receptor agonists like semaglutide mimic a natural gut hormone to control blood sugar and appetite, but emerging research shows they also protec...

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How Extracellular Vesicles Work—Medicine's Natural Couriers Science

How Extracellular Vesicles Work—Medicine's Natural Couriers

Extracellular vesicles are tiny parcels released by nearly every cell in the body, carrying proteins, RNA, and lipids between cells. Scientists are no...

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How Microplastics Enter Your Body—and What They Do Science

How Microplastics Enter Your Body—and What They Do

Microplastics reach the human body through food, water, and air, accumulating in organs from the lungs to the brain. Here's what science knows about h...

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How Measles Works—the Most Contagious Virus Known Health

How Measles Works—the Most Contagious Virus Known

Measles is the most contagious disease known to science, with each infected person spreading it to 12–18 others. Beyond its immediate symptoms, it cau...

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How Lipid Nanoparticles Work—Medicine's Tiny Couriers Science

How Lipid Nanoparticles Work—Medicine's Tiny Couriers

Lipid nanoparticles are the microscopic delivery vehicles that made mRNA vaccines possible and are now revolutionizing gene therapy, cancer treatment,...

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