Hormones are a class of signaling molecules that exist in all multi-cell organisms and, in humans, include commonly-known examples like melatonin, testosterone, and cortisol. They influence the health and functioning of the body and brain in a wide variety of ways; on a psychological level, they affect mood, how we behave, who we’re attracted to (or not), and more.| Psychology Today
All humans are born with biological characteristics of sex, either male, female, or intersex. Gender, however, is a social construct and generally based on the norms, behaviors, and societal roles expected of individuals based primarily on their sex. Gender identity describes a person’s self-perceived gender, which could be male, female, or otherwise.| Psychology Today
A bias is a tendency, inclination, or prejudice toward or against something or someone. Some biases are positive and helpful—like choosing to only eat foods that are considered healthy or staying away from someone who has knowingly caused harm. But biases are often based on stereotypes, rather than actual knowledge of an individual or circumstance. Whether positive or negative, such cognitive shortcuts can result in prejudgments that lead to rash decisions or discriminatory practices.| Psychology Today
Identity encompasses the memories, experiences, relationships, and values that create one’s sense of self. This amalgamation creates a steady sense of who one is over time, even as new facets are developed and incorporated into one's identity.| Psychology Today
Adolescence is the transitional stage from childhood to adulthood that occurs between ages 13 and 19. The physical and psychological changes that take place in adolescence often start earlier, during the preteen or "tween" years: between ages 9 and 12.| Psychology Today
From attraction to action, sexual behavior takes many forms. As pioneering sex researcher Alfred Kinsey put it, the only universal in human sexuality is variability itself.| Psychology Today