Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...

The first symptoms of not eating can include fatigue, difficulty concentrating, and nausea, in part due to hypoglycemia (low blood sugar). As time goes on, more severe symptoms like slurred speech, ...

Though symptoms of premenstrual syndrome (PMS) and pregnancy are often similar, there are several key differences and certain symptoms that are unique to each. Premenstrual syndrome (PMS ...

Here, the authors conduct a paired genome analysis of humans and Mycobacterium tuberculosis in a cohort from Lima, Peru. Their research reveals that genetic variations in both the host and ...

It is also important to have someone observe you for a few days after you have injured yourself. Everyone experiences concussion differently and symptoms can take hours or days to develop. Most people ...

When there’s a problem with your gallbladder, you’re likely to experience pain, as well as other symptoms. Read on to learn more about the gallbladder and how to identify a problem.

The symptoms of ovarian cancer can be very vague. They are also symptoms of other less serious conditions. You should see your doctor if you have symptoms that are unusual for you or won't go away.

The most common symptoms of carbon monoxide poisoning are vague and related to many conditions. Because carbon monoxide is colorless and odorless, it is challenging for those exposed to realize they ...