Roughly 80 percent of all first strokes arise from risks that people can influence with behavioral changes, doctors say — risks like high blood pressure, smoking and drug abuse.
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Kerri De Nies plays with her son, Gregory Mac Phee at their home in San Diego. Gregory tested positive for adrenoleukodystrophy, a rare brain disorder that affects 1 in about 18,000 babies. Roughly 30 percent of boys with the genetic mutation go on to develop the most serious form of the disease.
An illustration provided by the Royal Swedish Academy of Sciences shows the dramatic gain in resolution that came with the development of cryo-electron microscopy. What had been seen as blobs can now be distinguished as proteins in atomic resolution.
Martin Hogbom/Royal Swedish Academy of Sciences
Alzheimer's disease causes atrophy of brain tissue. The discovery that lymph vessels near the brain's surface help remove waste suggests glitches in the lymph system might be involved in Alzheimer's and a variety of other brain diseases.
Alfred Pasieka/Science Source
Left to Right: Rainer Weiss, Barry Barish and Kip Thorne, who won the Nobel Physics Prize 2017 for gravitational waves, the Royal Swedish Academy of Sciences announced October 3, 2017 in Stockholm.
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