How much do your genes determine how long you'll live? It's a question that fascinates us, and one that's been debated for ...

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, ...

Is Obesity Genetic or Environmental? Get All the Details This article was reviewed by Lynn Marie Morski, MD, JD. Key ...

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

Here's the deal.

Many factors influence how long you live, such as diet, exercise, smoking, drinking, environment and other variables. It also ...

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 ...

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.

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