Medical Research

324 articles with this tag

How PET Scans Work—and What They Reveal Health

How PET Scans Work—and What They Reveal

Positron emission tomography uses radioactive tracers and gamma-ray detection to map metabolic activity inside the body, making it a vital tool for di...

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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 HPV Self-Testing Works—and Why It Could Save Lives Health

How HPV Self-Testing Works—and Why It Could Save Lives

HPV self-collection lets people screen for cervical cancer at home using a simple swab. Here's how the technology works, who it helps, and why experts...

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How AI Therapy Chatbots Work—and What Science Says Health

How AI Therapy Chatbots Work—and What Science Says

Millions now use AI chatbots for emotional support and mental health advice. Experts explain how these tools work, what research shows about their ben...

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What Are Carotenoids and How They Protect Your Body Science

What Are Carotenoids and How They Protect Your Body

Carotenoids are plant pigments that do far more than add color to fruits and vegetables—they shield your eyes from damage, strengthen your immune syst...

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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 mRNA Cancer Vaccines Work—and Why They Matter Science

How mRNA Cancer Vaccines Work—and Why They Matter

The same mRNA technology behind COVID-19 shots is now being turned against cancer. Personalized therapeutic vaccines teach a patient's immune system t...

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How the FDA Approves AI Medical Devices Technology

How the FDA Approves AI Medical Devices

The FDA has authorized over 1,400 AI-enabled medical devices, from radiology scanners to smartwatch heart monitors. Here is how the approval process w...

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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 Clinical Trials Work—From Lab to Pharmacy Health

How Clinical Trials Work—From Lab to Pharmacy

Clinical trials are the rigorous, multi-phase process every new drug must survive before reaching patients. Here is how the system works, why it takes...

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How Codon Bias Works—DNA's Hidden Second Code Science

How Codon Bias Works—DNA's Hidden Second Code

The genetic code has 64 codons but only 20 amino acids, and scientists long assumed the 'extra' codons were interchangeable. New research reveals cell...

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