While healthy blood ranges from bright to dark red, there are rare situations where blood might appear different colors. Blood can sometimes look orange or yellow in people with high levels of ...

The color of a person’s period blood can indicate different health conditions. For example, a bright red period indicates a healthy flow, while darker red or dark brown can signify pregnancy.

Let's start with one of the most classic signs of iron deficiency, pallor, which just means that your skin or mucous ...

Blood tests can help a doctor diagnose a variety of health conditions, including infections, anemia, high cholesterol, vitamin deficiencies, organ failure, HIV, cancer, and diabetes. Doctors use ...