Yahoo News provides the latest updates on the spread of bird flu in the U.S. and its effect on rising egg prices and ...

Influenza is surging in the U.S., with doctor's visits for flu symptoms at a 15-year high. Why is this flu season so bad?

Cans of tuna sold by major grocery chains in 27 states have been recalled by the Tri-Union Seafoods company over concerns a ...

Low total cholesterol levels were tied to an increased risk of death for pulmonary fibrosis patients with disease of unknown cause in a study.

Low blood pressure is primarily a concern if it produces symptoms such as dizziness, fainting ... and look for potential problems in blood and oxygen flow to the heart muscle. A medical emergency that ...

Iron deficiency can cause several symptoms, including fatigue, headaches, and brittle nails. Spotting these signs early on ...

If you’ve been diagnosed with or are at risk for high cholesterol (meaning you have too much of this waxy substance in your blood), your doctor may recommend a low-cholesterol diet. Learn what a ...

Globally, oceanic oxygen is being depleted because seawater holds less oxygen as it heats up. In the warm coastal waters where tropical coral reefs grow, the immediate effects of low oxygen ...

Dyspnea can be associated with hypoxia or hypoxemia, which is low blood oxygen levels. This can lead to a decreased level of consciousness and other severe symptoms. If a person experiences ...

A sudden dip in blood sugar levels can cause sweating while sleeping. It also makes you feel disoriented.

Sometimes even the coziest hobbies — like baking, knitting, or scrapbooking — can seem like too much effort, and that’s when you know you need a true low-energy activity. These are perfect ...

Languages: English. Deep-sea researchers have launched a groundbreaking project to investigate "dark oxygen"—a form of oxygen produced in total darkness on the ocean floor. The initiative ...