Can narcissism be inherited, or is it shaped by life experiences? Science shows both genes and environment influence narcissistic traits.

Is Obesity Genetic or Environmental? Get All the Details This article was reviewed by Lynn Marie Morski, MD, JD. Key ...

How big of a role do our genes play in our lifespan? Quite a bit more than previously thought, a new study suggests.

Genome sequencing has been used to determine how much genes influence human characteristics including height and weight, and susceptibility to diseases like type 2 diabetes, in a study co-led by ...

The expression nature vs. nurture describes the question of how much a person's characteristics are formed by either nature or nurture. Nature means innate biological factors (namely genetics), while ...