As the founder and neurological director of the Smell & Taste Treatment and Research Foundation in Chicago, Dr. Hirsch specializes in the evaluation, diagnosis and treatment of many smell- and taste-related disorders.

For over 25 years, Dr. Hirsch has dedicated his medical career to helping people to overcome the loss of smell and taste sensations and once again enjoy fulfilling lives. To read his full CV click here. He has also used his expertise to assist people with normal sensory abilities to take advantage of the full power of their senses of smell and taste.

To date, Dr. Hirsch has conducted more than 200 studies on sensory phenomena and disorders. Many of these studies have explored how enhancing certain smells and tastes can impact eating patterns, mood, perception and even learning speed. In addition, Dr. Hirsch is currently conducting more than 80 studies on the effects of smell and taste on weight loss, sleep, consumer preferences and sexual habits, among many other topics.

His most remarkable studies have involved taste and weight loss. Unknown to most people is the fact that your senses of taste and smell have a profound effect on hunger and eating. This phenomenon is illustrated in the following animation: