Add Yahoo as a preferred source to see more of our stories on Google. The UBC study has found no need to impose more driving restrictions on people who have recently suffered from first-episode ...

During an upright tilt, a person's cardiovascular system has to adjust in order to prevent a significant portion of the blood volume from pooling in the legs. These adjustments consist of a mild ...

Fainting or blacking out, also known as syncope, is a temporary loss of consciousness due to insufficient blood flow to the brain. Dreamstime/TNS You may have heard that people who feel faint should ...

Seizures can disrupt the autonomic nervous system, potentially leading to cardiac arrhythmias, which are abnormal heart rhythms. Cardiac arrhythmias can cause convulsive syncope, a condition ...

Syncope is a transient loss of consciousness and postural tone followed by spontaneous recovery without therapeutic intervention. It is a common clinical problem, the origins of which are often ...

Episodes of fainting are mostly dismissed as those due to stress, fatigue, or dehydration. Sometimes, even when you do not eat properly, you may feel unconscious, but doctors have a different take.