Males with pulmonary arterial hypertension (PAH) have more proinflammatory macrophages — a type of immune cell — in the lungs than do females with the disease, a study suggests. Researchers identified ...

A deer has to avoid a lot of threats to its life to get old in the wild like this buck has. Patricia Neal / Maryland Department of Natural Resources The oldest wild whitetail ever documented lived to ...

Reindeer (also known as caribou) are a member of the deer family, native to the tundra, boreal forests, and mountains of the extreme frigid north. In human culture, they are a staple of northern ...

Deer are abundant in almost every U.S. state, inhabiting forests, grasslands, prairies, and coastal areas. There are several species of deer throughout the country, although white-tailed deer are the ...

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As you can see, the areas overlap. John Hafner Knowing where to shoot a deer for a quick kill is the responsibility of every deer hunter. Most of us were taught that the best place to shoot a deer is ...