Twin studies can help geneticists determine whether some trait or condition is caused by the environment, or by genetics. Since identical twins carry basically the same genome, if a trait is due to ...

While lifestyle choices, including diet and activity level, play an important role in a person’s risk of obesity, genetics can also shape natural tendencies toward weight gain or loss. In fact, genes ...

Behavioral genetics explores how genes and environment intertwine to shape intelligence, personality, and behavior. From twin studies to genome-wide association research, scientists are uncovering how ...

Add Yahoo as a preferred source to see more of our stories on Google. While some diseases have been linked to genetic mutations, experts think that a wide range of conditions may be caused by ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A leading national autism researcher cautions against only considering ...

It’s an age-old question: is nature or nurture more responsible for how we turn out in life? Scientists have long believed that some combination of our genes and environment – our diets, lifestyles, ...

Environmental factors significantly influence the development of allergic diseases, overshadowing genetic predisposition. Identical twins showed higher incidences of atopic dermatitis, rhinitis, and ...

A study published in the Journal of Psychopathology and Clinical Science suggests that genetic and environmental factors are more significant factors in adverse mental health effects than moderate ...

Most clinicians still underestimate the degree to which genetic factors shape personality traits and personality development. This is not controversial within behavioral genetics, but it remains ...