studies done on u.s. diplomats and their families who the u.s. government says suffered unexplained health incidents in havana in 2017. a top cuban doctor is calling the methodology and results into question saying, quote, if the control group was not well matched, the differences could be due to uncontrolled factors. for example, he says, for both groups was head concussion history, sports, military service, matched? no evidence is provided of the degree of overlap of patient and control group. the functional connectivity differences, he continues, the second type of measure, can change due to many factors including psychological states. for these measures the overlap in between controls and patient is shown and is very great. the illnesses among american embassy staff of course in 2017 led the trump administration to reverse president obama s diplomatic opening to cuba withdrawing most staff from the u.s. embassy in havana, expelling cuban diplomats from washington. i m joined now by
and those who smoke after age 16. what we call early versus later onset. gruber s brain scans show the white matter, those are the highways that help the brain communicate from one point to another are impaired in those who start smoking early. maybe that there s underlying white matter connectivity differences. that s your concern, it sounds like, that those highways, those white matter highways are just more disrupted in people who start smoking early. that s what we see. perhaps not surprising given what we know about the young developing brain. that s a very delicate time in brain development, and that s not a good time to be taking any drugs. preliminary research shows that early onset smokers are slower at tasks, have lower iq s later in life, higher risk of strokes, and increased incidents of psychotic disorders. while these studies are not conclusive, some scientists are still concerned because in 2012 35% of high school seniors lit up, and that could mean a gener
communicate from one point to another are impaired in those who start smoking early. maybe that there s underlying white matter connectivity differences. that s your concern, it sounds like, that those highways, those white matter highways are just more disrupted in people who start smoking early. that s what we see. perhaps not surprising given what we know about the young developing brain. that s a very delicate time in brain development, and that s not a good time to be taking any drugs. preliminary research shows that early onset smokers are slower at tasks, have lower iq s later in life, higher risk of strokes, and increased incidents of psychotic disorders. while these studies are not conclusive, some scientists are still concerned because in 2012 35% of high school seniors lit up, and that could mean a generation of kids with damaged brains. many fear something else. i never really told myself i needed help. a generation of marijuana addicts.
white matter connectivity differences. that s your concern, it sounds like, that those highways, those white matter highways are just more disrupted in people who start smoking early. that s what we see. perhaps not surprising given what we know about the young developing brain. that s a very delicate time in brain development, and that s not a good time to be taking any drugs. preliminary research shows that early onset smokers are slower at tasks, have lower iq s later in life, higher risk of strokes, and increased incidents of psychotic disorders. while these studies are not conclusive, some scientists are still concerned because in 2012 35% of high school seniors lit up, and that could mean a generation of kids with damaged brains. many fear something else. i never really told myself i needed help. a generation of marijuana addicts. when we come back, the truth and the science behind what s being called a growing epidemic.
highways that help the brain communicate from one point to another, are impaired in those who start smoking early. maybe that there s underlying white matter connectivity differences. that s your concern, it sounds like, that those highways, those white matter highways are just more disrupted in people who start smoking early. that s what we see. perhaps not surprising given what we know about the young developing brain. that s a very delicate time in brain development, and that s not a good time to be taking any drugs. preliminary research shows that early onset smokers are slower at tasks, have lower i.q.s later in life, higher risk of strokes and increased incidents of psychotic disorders. while these studies are not conclusive, some scientists are still concerned because in 2012 35% of high school seniors lit up, and that could mean a generation of kids with damaged brains. many fear something else. i never really told myself i