Don't joke! Now that animal studies have disproven things like cannabis causing preterm birth, low birth weight and other classic worries, researchers are trying to push the idea of "soft" neurological defecits. Talk about unfalsifiable: such defecits are supposedly only detectable later in life, and even if we could run the longitudinal study, the data would be confounded with so many pre and post natal factors.

Israeli researchers are trying to publish the idea of a fetal cannabis spectrum disorder. It's too bad that the full study isn't available, especially when the abstract makes such big claims without going into the methodology at all.