A reanalysis of twin data from Denmark and Sweden suggests that how long we live now depends roughly equally on the genes we inherit, and on where we live and what we do ...

Both environment and genetics can influence a person’s obesity risk, with some genes affecting appetite, metabolism, fat storage, and food preferences. Rare single-gene mutations can cause obesity, ...

For more than a century, Mendelian genetics has shaped how we think about inheritance: one gene, one trait. It is a model that still echoes through textbooks—and one that is increasingly reaching its ...

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 ...

Why do some people live to 100 while their sibling dies decades earlier? Is it luck, lifestyle, or something written into their DNA? Relative to many other species, humans are particularly long-lived, ...

A new study from researchers at Children's Hospital of Philadelphia (CHOP) reveals that the cumulative "wear and tear" on the body known as allostatic load (AL) can be measured in early adolescence ...

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 ...

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 ...

New study in Science suggests genetics might account for 50-55% of human lifespan, a significant shift from previous beliefs. Learn how genes and environment interact for longevity.

A leading national autism researcher cautions against only considering environmental factors being primarily to blame for a drastic increase in known national cases, as has been suggested by by U.S.

Your surroundings may influence your social behavior more than you realize. New research from the Brain Research Institute at ...