Medical notes this week…
Researchers continue to search for a brain booster to combat the cognitive effects of advancing age, and they may have found one in human umbilical cord blood. A study in the journal Nature shows that human cord blood injected into old mice significantly improved the function of their brains. Researchers were then able to isolate the responsible factor in the newborn blood, a protein called timp-2. Timp-2 injected into old mice produced the same effects. Researchers say the findings could lead to new treatments of age-related mental decline.
More women who’ve had cancer are having children, but those kids are more likely to be born prematurely, with a below average birth weight. A study in the Journal of the American Medical Association shows that breast cancer treatment produces nearly double the risk for preterm birth later, while cancers such as Hodgkins lymphoma increased the risk by 6%. Doctors don’t know if those children have greater health risks later on in life.
And finally… a study now proves that when people get their pictures taken, most of them say “take my left side. It’s my better side.” And when people view pictures, they perceive the left side of faces to be more expressive. That’s according to a study in the journal Brain and Cognition. Scientists explain that the left side of the face is controlled by the right side of the brain, which is more involved in emotion.