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

Someone asked “What is a genetics fact that not a lot of people know?” and people detailed their best bits of info.

Hereditary hemochromatosis is a genetic condition that causes the body to absorb too much dietary iron, usually in adulthood. Symptoms can include tiredness, weight loss, skin color changes, and more.