MM or variants may refer to:
The MMR vaccine controversy started with the 1998 publication of a fraudulent research paper in the medical journal The Lancet that lent support to the later discredited claim that colitis and autism spectrum disorders are linked to the combined measles, mumps, and rubella (MMR) vaccine.
The MMR vaccine (also known as the MPR vaccine after the Latin names of the diseases) is an immunization vaccine against measles, mumps, and rubella (German measles).
“Mmm Mmm Mmm Mmm” is a song by the Canadian folk rock group Crash Test Dummies, It was released on October 1, 1993 as the lead single from their second album, God Shuffled His Feet.
"MMMBop" is a song written and performed by the American pop rock band Hanson and released as the lead single from their debut full length studio album, Middle of Nowhere, in 1997. The song was nominated for two Grammys at the 40th Annual Grammy Awards in February 1998 and is the band's most successful single to date.
МММ was a Russian company that perpetrated one of the world's largest Ponzi schemes of all time, in the 1990s.
72 kDa type IV collagenase also known as matrix metalloproteinase-2 (MMP-2) and gelatinase A is an enzyme that in humans is encoded by the MMP2 gene.