Teenagers who are dependent on marijuana and alcohol are less likely to hold down a good job or get married as adults — and young men were affected more seriously than young women.

Researchers pinpointed exactly where jealousy originates in the brain.

New research may challenge what we thought we knew about the evolution of language, suggesting that grammar evolves faster than the lexicon.

Men, don't let your partner do all the chores, it could ruin your sex life.

The shape of your face can reveal a lot about your sex life, from your sex drive to whether will you cheat.

Kevin Hart publicly apologizes to his pregnant wife, Eniko Parrish, on Instagram after leaked video of him cheating.

Women who don't take the birth control pill could have an advantage when it comes to attracting the opposite sex.

Women are twice as likely to lose interest in sex when they live with their partner.

A new study reveals that AI can detect sexual orientation from photographs.

Gait analysis reveals your walking speed can reflect your personality traits.

A greater number of Facebook friends and social media-induced anxiety/stress can leave you vulnerable to upper respiratory infections.

The algorithm used by online dating apps and sites cannot predict romantic attraction between two strangers.