A clot occurs when blood, which is usually liquid and flowing, thickens, becomes more gelatinous, and forms a clump. This is ...

Blood in the urine, medically referred to as hematuria, can occur when a kidney stone lodges in the urinary tract and scratches the delicate lining of the kidneys, ureters, bladder, or urethra.

Blood cancers affect the production and function of blood cells, disrupting how the body fights infection, carries oxygen and controls bleeding. These cancers include leukemia, lymphoma and myeloma, ...

A blood moon is another name for a total lunar eclipse, which occurs when the moon is full, and the Earth passes between the sun and the moon. In astrology, lunar eclipses lead to emotional ...

Just four vital signs make up the traditional core of clinical diagnosis: heart rate, blood pressure, respiratory rate and temperature. For decades, and in some cases, hundreds of years, these metrics ...