Ontario public health teams get in on #PublicHealthRapBattle

LL Cool J at the 'NCIS: Los Angeles' TV series premiere at PaleyFest, Los Angeles, America, on Sept. 11, 2015. (MediaPunch/REX Shutterstock) LL Cool J at the 'NCIS: Los Angeles' TV series premiere at PaleyFest, Los Angeles, America, on Sept. 11, 2015. (MediaPunch/REX Shutterstock)