“If men smoked marijuana 11 to 90 times in their lifetime, there was a 15% decrease in infant birth weight (P = .03); if this increased to more than 90 times, there was a 23% decrease (P = .01). Timing also played a role.”
“Women and men who smoked in the past 15 years, had 12% (P = .04) and 16% (P = .03) smaller infants, respectively.”
This is why ((they)) want to legalize.
Such a change in one generation is huge news.
Paternal age increases pregnancy failure and miscarriage rate in IVF