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 ...

Your daily environment - from air to diet - may impact your health as much as your DNA, according to a large new study.

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 ...

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 ...

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, ...

U.S. Secretary of Health, Robert F. Kennedy Jr., has expressed views on the causes of autism that clash with scientific evidence. With statements like "genes don't cause an epidemic," he emphasizes ...

An individual’s genetics and their environment both shape their personality. However, opinions differ on the degree to which each of these factors influences personality, and how they contribute to ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. A leading national autism researcher cautions against only considering environmental factors being primarily to blame for ...

Genetics significantly shapes IQ and future socioeconomic status, with environmental influence playing a smaller role than ...