Violence — In "The Host," aliens are hunting humans, humans are fighting back. Hand-to-hand combat and guns are used. One alien is shot accidentally and killed. Others are shot but not killed. Two humans commit suicide with a truck. A girl jumps out of a window to take her life instead of being captured. A human tries to choke an alien. There is some blood shown and wounds are present. Cars are used as weapons.
Sexuality — Kissing, kissing and more kissing. The main character has two love interests and they kiss many times. There is a flashback of two people in bed. It is fairly short. A woman says to a man, “Sleep with me.”
Nudity — Some outfits are low-cut. A woman is shown bathing. The two in bed have underwear on.
Shawn O'Neill is the Family Man Movie Reviewer. You can see his reviews at http://familymanmovieblog.blogspot.com/.