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Science News for May 19, 1999


American Heart Association Comment: Nonsurgical Reconstruction Of Thoracic Aortic Dissection By Stent-Graft Placement

A new nonsurgical technique using stent-graft placement has been shown to be effective in treating people with life-threatening aortic dissection. The catheter-delivered procedure involves inserting a wire mesh tube to force open and maintain the blocked aorta, reducing complications and mortality rates.

SourceAmerican Heart Association·JournalNew England Journal of Medicine·DateMay 19, 1999

Dietary Supplements Could Put A Stop To A Royal Curse

Researchers have discovered naturally occurring enzymes that can detoxify porphyrins, building blocks of haemoglobin, in a potential breakthrough for treating variegate porphyria. This rare disorder was passed down through the royal family, including Queen Elizabeth II's first cousin Prince William of Gloucester.

SourceNew Scientist·JournalThe New Scientist·DateMay 19, 1999

Treating Depression Makes A Healthier Heart

A study found that patients taking selective serotonin reuptake inhibitors (SSRIs) had a reduction in sticky platelets, which can contribute to heart problems. The researchers suggest that improved mood is the key factor behind this effect.

SourceNew Scientist·JournalThe New Scientist·DateMay 19, 1999

Testosterone Is Mixed Blessing To Men's Health

A study found that middle-aged men with higher testosterone levels are less likely to experience high blood pressure, heart attacks, and obesity. However, they are more likely to engage in unhealthy behaviors such as smoking and excessive drinking.

SourcePenn State·JournalJournal of Behavioral Medicine·DateMay 19, 1999

Engineered Corn Can Kill Monarch Butterflies

Research by Cornell University reveals that genetically engineered corn, designed to protect against pests, can kill monarch butterfly larvae when they come into contact with its pollen. This has significant implications for the long-term survival of the monarch species, which is already facing habitat disruption and other threats.

SourceCornell University·JournalNature·DateMay 19, 1999

Walker named a Fellow of the British Royal Society

Alan Walker, a distinguished professor at Penn State, has been recognized by the British Royal Society for his groundbreaking work on human origins. He is one of forty-two new Fellows elected this year and was honored for his distinguished contributions to the world's knowledge of human origins.