Health & Fit: Whoa! That Red Juice in Your Meat Isn’t Blood

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If the idea of a "bloody steak" makes you gag, you'll be relieved to find out that red liquid isn’t blood.

Practically all of the blood is taken out of meat during slaughter, according to the Food and Agriculture Organization of the United Nations. If that red juice were blood, even poultry would have that rosy color.

The red hue comes from a protein called myoglobin, which helps muscle tissue store oxygen like hemoglobin does in your blood. And like hemoglobin, the iron in myoglobin turns red when it binds with oxygen, giving raw meat that red hue. Most mammals have high amounts of myoglobin in their tissue, which is why they're known as "red meat." Learn what happens when you give up red meat.

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Once you throw that fresh steak on the grill, though, the heat changes myoglobin's chemical structure, and the food turns from red to brown. When steak is red and done rare, it hasn’t lost its moisture. But heat squeezes those juices out, so by the time the meat turns brown, that well-done steak also isn’t as tender.

As it loses its freshness, even uncooked meat will start turning an unappetizing shade of gray-brown when it's exposed to air. That’s why some meatpackers treat raw steak with carbon monoxide, which prevents it from interacting with oxygen, according to the World Health Organization. As a result, the meat holds on to that rosy color—and makes you more likely to buy. Meanwhile, cured meats like hot dogs get a nitric oxide treatment to keep them looking pink.

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So if you turn down very rare steak to avoid food poisoning, we commend you—just don’t claim it's because there is actual blood. Now find out if eating meat is good or bad for you.

The post Whoa! That Red Juice in Your Meat Isn’t Blood appeared first on The Healthy.

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Napping regularly is linked to higher risk of stroke and high blood pressure, data suggests, but it may be because of poor sleep at night. Poor sleep at night is associated with poorer health, and naps are not enough to make up for that," Grandner said in a press release. Habitual nappers were more likely to report insomnia and consider themselves "evening people" than non-nappers, the study found. They were also more likely to drink alcohol, smoke cigarettes, and have lower education and income levels than people who napped less frequently or not at all.

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