For Wednesday, April 26, WGN’s Dina Bair has the latest on new medical information, including:

  • Boston Children’s Hospital neuroscientists found young people with an abnormally high body mass index display changes in cognitive performance, brain structure and brain circuitry compared to those with a normal BMI.
  • Why a little exercise can go a long way to helping people reduce or halt substance use.
  • Hair relaxers can lead to infertility according to researchers with the Boston University School of Public Health.