U.S. and European health regulators are warning the public of possible health risks linked to finasteride, a popular hair-loss drug. 

The European Medicines Agency issued an alert on Thursday, stating it had confirmed suicidal thoughts as a side effect of finasteride tablets. The European regulator announced it would be implementing new measures to warn and protect the public. 

This comes following an alert issued by U.S. health regulators in late April, which warned against the possibility of se…