Dr. Celia Mercado Ona M.D.

Tourette’s syndrome is characterized by vocalization and movements that are involuntary and repetitive. It is a type of tic disorder. The pioneer Dr George Gilles De La Tourette first discovered the condition in 1885 in an eighty-six-year-old French noblewoman. Typically, in childhood, early...

ADHD, or attention deficit disorder, is a commonly undiagnosed mental disorder in adults. According to data provided by The American Psychiatric Association, about 5% of children in the America have ADHD; however, other studies indicate rates as high as 11%. According to other sources, the childhood...

Chronic Obstructive Pulmonary Disease (COPD) is a progressive disease that still does not have a cure. The World Health Organization predicts that COPD will become the fourth leading cause of death worldwide by 2030. The predominant cause for COPD is tobacco smoking. Most symptoms are irreversible,...

What is Adderall?Adderall is the brand name of a prescription drug that contains a mixture of amphetamine salts, specifically 75% dextroamphetamine salt and 25% levoamphetamine salt. It belongs to the drug class of central nervous system (CNS) stimulants. It is also classified among...

Everyone feels anxious from time to time, but chronic anxiety can adversely impact the quality of your life. While in moderation, anxiety is not a bad thing, but when it becomes intense, it can have serious consequences on your physical health too. Everyone experiences anxiety differently. Some have...

How Common Is Depression in Men?Although it has been found that women experience depression two times more than men, this fact can't deny that men are as vulnerable to this mental disorder as women. According to research, over 6 million men in the U.S. suffer from clinical depression every year. The...