Higher intake of heme iron, the type found in red meat and other animal products -- as opposed to non-heme iron, found mostly in plant-based foods -- was associated with a higher risk of developing ...

Iron supplements can be an easy way to get more iron, but there are plenty of foods that are high in iron that you can ...

Scientists have long been puzzled by how maturing red blood cells manage to produce all the hemoglobin they need to carry oxygen to tissues, even after shedding the vital structures they need to ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. By now you've likely heard of the latest food craze sweeping the nation ...

Heme is a coordination complex consisting of a porphyrin ring surrounding a single ferrous (Fe 2+) or ferric (Fe 3+) ion, able to bond with diatomic oxygen and transport it around the body. Four heme ...

Scientists at Washington University in St. Louis described for the first time the structure of a bifunctional protein, called CcsBA, that transports heme and attaches it to cytochromes. Credit: Kranz ...

Umami boosters be damned — there’s no replacing the metallic richness of a medium-rare steak. Which is reason for concern, because our meat-eating days are numbered. Cows take up too much land, eat ...