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 ...

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 ...

Gastrointestinal (GI) cancers represent a complex interplay of genetic mutations, epigenetic alterations, and environmental factors. The initiation and progression of these cancers are influenced by ...

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 ...

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

New research reveals that environmental factors, from smoking to socioeconomic status, have a stronger influence on aging and premature mortality than genetics—reshaping our understanding of disease ...

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 ...