blood-brain barrier – News, Research and Analysis – The Conversation

*Toxoplasma* is often transmitted to people from contaminated food or cat feces. Dr_Microbe/iStock via Getty Images Plus

August 7, 2024

A common parasite could one day deliver drugs to the brain − how scientists are turning Toxoplasma gondii from foe into friend

Bill Sullivan, Indiana University

Getting drugs into the brain is a challenge. A new study suggests a brain parasite may be able to help.

With NASA planning more missions to space in the future, scientists are studying how to mitigate health hazards that come with space flight. AP Photo/John Raoux

September 19, 2023

Spending time in space can harm the human body − but scientists are working to mitigate these risks before sending people to Mars

Rachael Seidler, University of Florida

Space can damage everything from your cardiovascular and nervous systems to your mental health – long voyages can feel isolating for many.

Type 2 diabetes, characterised in its advanced stages by insulin resistance, is an important risk factor for Alzheimer’s disease. (Shutterstock)

December 13, 2022

Why does the Alzheimer’s brain become insulin-resistant?

Frederic Calon, Université Laval; Manon Leclerc, Université Laval, and Vincent Emond, Université Laval

Impaired insulin receptors in the blood vessels between the blood and the brain may contribute to the insulin resistance observed in Alzheimer’s disease.

Sen. John McCain pictured on July 27, 2017. McCain returned to Washington after surgery for glioblastoma to cast a ‘no’ vote to a Republican-backed bill to repeal Obamacare. Cliff Owen/AP Photo

August 27, 2018

Glioblastoma topples an American hero, but researchers will continue the fight

Duane Mitchell, University of Florida

John McCain was known as a tough fighter and patriot, refusing to yield to his captors’ torture while he was imprisoned as a POW. In the end, cancer claimed him. Researchers say progress is coming.

Brains are precious. We can’t just let any old thing in. Neil Conway/Flickr

April 6, 2017

Explainer: what is the blood-brain barrier and how can we overcome it?

Jürgen Götz, The University of Queensland

The blood-brain barrier helps protect the brain, but it also creates difficulties in treating brain disorders. Ultrasound may offer a safe way to more effectively deliver therapies.

September 1, 2016

Multiple sclerosis survivors swear by hyperbaric oxygen – but does it work?

Paul Eggleton, University of Exeter

There is conflicting medical evidence.

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