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

Discover interesting facts about how traits are passed down over generations through DNA. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. What ...

Obesity is often a combination of genetic and lifestyle factors. Genetics can influence metabolic pathways, appetite control, and energy storage. Leptin resistance can lead to increased appetite and ...

The genetic theory of aging says your life span is mostly determined by the genes from your parents. Telomeres are DNA segments at the ends of chromosomes that decide how long a cell can live. If a ...

Research on Tourette’s indicates that the condition is strongly influenced by inherited genetic factors, with environmental factors also contributing to its development. Tourette syndrome is a ...

Rett syndrome is a rare developmental disorder, most often due to a mutation in the MECP2 gene on the X chromosome, but it’s not usually inherited. Advances in genetics have launched a new era in ...

Hair genetics can come from either parent, and multiple genes can determine hair traits, such as color, texture, and growth. Genes can also affect hair loss. Although it can run in families, this is ...