Casinos, guns and medical marijuana may draw the biggest headlines this session, but lawmakers are also tackling some other societal problems. Here are three that are the focus of bills moving forward after clearing the “Crossover Day” deadline Friday:

Abandoned babies: Lawmakers are moving ahead with a bill that would expand the time and locations mothers may leave newborns without penalty. 

Opioid abuse: One effort to address the growing problem of opioid abuse focuses on the doctors who proscribe the drugs in the first place. 

Dangerous drinking water: Schools and child care centers in Georgia would have to test their drinking water for lead contamination under a bill approved by the state Senate Friday.

To find out what else the Legislature is debating, check out (and bookmark) our freshly updated Bill Tracker. It will be refreshed daily with any new developments and the last prediction of the bills' chances of final passage.

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It is the last day for bills to move from one chamber to the other — that is, to cross over. (Erica A. Hernandez/AJC)