SCIENCE IN THE NEWS DAILY
Alzheimer's Gene Found to Affect Women Over Men
from the San Francisco Chronicle
A gene that's been known for two decades as the largest inheritable risk for developing Alzheimer's disease mostly affects the brains of women, not men, according to a team of researchers from Stanford and UCSF.
The gene variant known as APOE4 is the most common genetic risk factor for Alzheimer's - only about 15 percent of people carry the gene, but it's found in more than half of all Alzheimer's patients.
The variant was first connected to Alzheimer's in 1993, but doctors and scientists for the most part have been unaware of any gender differences, despite early studies that showed an increased risk for women with the gene.
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VIDEO: How Hair Ice Grows
In 2013, American Scientist featured an article on odd ice formations on plant stems, including these curling ribbons of ice. One of the types of ice discussed in the article was hair ice—long, thin strands of ice that grow under quite specific conditions. The only problem is that a new study shows the theory put forth at the time—that gas pressure pushes the water out—isn’t correct... (click the link above to read more).
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