Gastroesophageal reflux disease (GERD) - Mayo Clinic Gastroesophageal reflux disease happens when stomach acid flows back up into the esophagus and causes heartburn It's often called GERD for short This backwash is known as acid reflux, and it can irritate the lining of the esophagus Many people experience acid reflux now and then However, when
Parkinsons disease - Symptoms and causes - Mayo Clinic Parkinson's disease is a movement disorder of the nervous system that worsens over time The nervous system is a network of nerve cells that controls many parts of the body, including movement Symptoms start slowly The first symptom may be a barely noticeable tremor in just one hand or sometimes a
HDL cholesterol: How to boost your good cholesterol High-density lipoprotein (HDL) cholesterol is known as the "good" cholesterol because it helps remove other forms of cholesterol from the bloodstream A higher level of HDL cholesterol is linked to a lower risk of heart disease Cholesterol is a waxy substance that's in every cell in the body At
Transient ischemic attack (TIA) - Symptoms and causes Overview A transient ischemic attack (TIA) is a short period of symptoms similar to those of a stroke It's caused by a brief blockage of blood flow to the brain A TIA usually lasts only a few minutes and doesn't cause long-term damage