From microscopic mites dwelling in our hair follicles to sizable tapeworms inhabiting our intestines, the human body plays host to a surprising array of organisms. Some, like Demodex mites, coexist ...

It can happen if your body cannot break down histamine. It can affect multiple systems in your body, but gastrointestinal symptoms are most common. Histamine intolerance is not a sensitivity to ...

These are some of the common signs and symptoms of poor air quality, according to experts. In truth, this issue is far more complex than it may seem, and experts agree that there is no single best ...

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.

Internal bleeding symptoms include severe pain, dizziness, swelling, and coughing up blood, depending on the affected area and the rate of blood loss. You might suspect internal bleeding if you ...