Word: braine
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...word concussion tends to evoke macho images when you're talking about sports: hulking football players flying across the field, crushing their heads into one another's helmets, lucky if they can count their fingers by the end of the game. But brain pain doesn't affect just boys. Ask Christin Anson, a high school junior from Lancaster, Ohio. During a soccer game her freshman year, an opposing player kicked her square in the back of the head. She shook it off and even finished the game. "I just thought I'd have a headache...
...course, many girls suck it up too, but there are anatomical reasons that explain why they are more likely to have a concussion diagnosed. For starters, look to the neck. Bigger, stronger neck muscles can balance the head during impact and lower the chances of the brain's being jolted in a collision. According to a study that will be published in the Journal of Biomechanics, the circumference of men's necks is 20% larger than that of women's necks. Further, resistance tests showed that men's necks are 50% stronger than those of women. Another new biomechanical study...
Other experiments at the University of Colorado have found that kids with sensory problems have atypical brain activity when simultaneously exposed to sound and touch. And a 2006 study of twins at the University of Wisconsin gave evidence that hypersensitivity to noise and touch have a strong genetic component...
...turned into other kinds of cells as needed. These cells have also produced much controversy because they are derived from human embryos. I have the disease - Parkinson's - for which stem cells hold the most immediate promise. The hope is that they can be turned into the type of brain cells that produce dopamine, the missing ingredient in Parkinson's patients...
...Second, even if this were a true turning point in stem-cell research, people like me are not going to quickly forget those six lost years. I am 56. Last year I had a kind of brain surgery that dramatically reduces the symptoms of Parkinson's. It received government approval only five years ago. Every year that goes by, science opens new doors, and every year, as you get older and your symptoms perhaps get worse, doors get shut. Six years of delay in a field moving as fast as stem-cell research means a lot of people for whom...