blood vessels

7 Stories

Scientists Borrow From Popeye for Heart Tissue Breakthrough

They use spinach leaf to create vascular network for beating human heart tissue

(Newser) - Popeye knew a thing or two about building muscle, maybe even more than we realized. Per National Geographic , scientists have appropriated the cartoon character's favorite snack—a spinach leaf—to help create new human heart muscle. In doing so, they circumvented a tissue issue that's plagued this type... More »

First-Ever Stem Cell Vein Saves Girl, 10

Blood vessel grown using donor vein, stem cells

(Newser) - Doctors in Sweden grew the first-ever vein in a lab, and used it to save the life of a 10-year-old girl in this futuristic miracle story: A 3.5-inch section of groin vein was taken from a deceased donor, the living cells were removed to leave only a sort of... More »

Comedies Are Good for Your Heart

But war movies aren't

(Newser) - To give your heart a boost, turn on The Hangover—but make sure you avoid Halloween. Movies that make you chuckle are good for your vascular function, while stressful war and horror movies hurt your system, a study finds. Researchers showed bits of funny movies one day and the opening... More »

New ID System Scans Finger's Veins, Not Prints

Hitachi system is faster, more secure than fingerprinting, retinal scans

(Newser) - A new technology that scans finger veins to authenticate identity claims to be quicker and more reliable than fingerprinting, retinal scans, or facial recognition, the Times of London reports. Japanese company Hitachi's system shines infrared light through the network of capillaries in the index finger, capturing a unique 3D “... More »

Going Green Could Help Your Heart

Dump the Earl Grey: substance in beverage protects blood vessels

(Newser) - Drinking green tea may help keep blood vessels elastic and healthy, a new study suggests. The flavonoids in green tea that work as antioxidants also produce the relaxing effect, which could also help prevent clots. Participants received the equivalent of three to four cups of the tea each day and... More »

Cancer Pioneer Folkman Dead

Revolutionized treatment by cutting off blood supply to tumors

(Newser) - Cancer researcher Judah Folkman, whose insights and tenacity spawned a whole new branch of oncology, died Monday at age 74, the Boston Globe reports. Folkman pioneered the notion that cancer tumors could be halted if their blood supply was cut off; he persevered despite decades of skepticism in the field... More »

Scientists Rebuild Heart With Stem Cells

Advance could save heart disease patients, regrow other organs

(Newser) - Scientists rebuilt rat and pig hearts using stem cells taken from the recipients themselves, the Telegraph reports—a medical breakthrough that could help the 22 million people who suffer from heart failure worldwide. The technique, called whole organ decellularization, produced the world’s first functioning “bioartificial” heart within eight... More »

7 Stories