Genetic factors account for much of the variation in personality traits across the lifespan. Shared upbringing plays a ...

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 ...

Environmental factors such as lifestyle and the medications you take influence the effects your genes have on your body — and can clarify how diseases develop. When you purchase through links on our ...

A new University of California San Diego School of Medicine study offers a unified biological model to explain how genetic ...

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

If something similar occurs in humans, and given growing evidence that the gut microbiome matters for health, genetic ...

Scientists studying thousands of rats discovered that gut bacteria are shaped by both personal genetics and the genetics of ...

Researchers at Bournemouth University reviewed prior studies and pinpointed five genes most likely connected to endometriosis. These five genes included IL-6, CNR1, IDO1, TACR3, and KISS1R. These ...

For decades, autism has been described as a spectrum - an elastic term that stretches from nonverbal children to adults with doctorates.