The 30-day test showed that children of ganja-using mothers were superior to children of non-ganja mothers in two ways: the children had better organization and modulation of sleeping and waking, and they were less prone to stress-related anxiety.

Under the plan, which would take effect in January, license recipients would be heavily taxed and regulated. They would have to pay the city $211,000 in annual permit fees, carry $2 million in liability insurance and be prepared to devote up to 8 percent of gross sales to taxes.

The measure also would require bidders to meet certain labor, environmental and product safety standards.

However, there would be no size restrictions on the facilities.