New research confirms that the taller a person is, the higher their risk of atrial fibrillation, a common condition that affects the heart.
Hallucinations are sensory experiences that exist only in the mind. There are many types of hallucinations and possible causes, including drugs and mental illnesses. Learn more here.
Constipation refers to changes in the frequency and consistency of bowel movements. Here, learn more about passing stool while constipated, as well as treatments and risks, and when to see a doctor.