Dr. Mark F Poster M.D.

Most of us usually become too overwhelmed when dealing with the issues affecting our lives. Cases of depression, anxiety, and mental disorders are very common today. Others struggle with weight-related issues, addiction, sexuality, relationships, and loss of jobs, among others. All these concerns...

Depression is a mental illness that consumes individuals, leaving them feeling helpless, hopeless, and sometimes useless. It can be caused by life experiences such as loss of a family member or mental trauma in an individual's life.Depression can occur to anyone, and for a vast majority affected,...

What is anxiety?Anxiety is a general term that is often used to refer to disorders among individuals that cause nervousness, fear, stress, and worrying. These traits often impact human behavior and can turn into real physical symptoms. Mild anxiety is temporary and vague. However, anxiety that turns...

Nausea is an uncomfortable feeling and a cause for concern if it constantly occurs. It can be a warning sign of disease or a medical condition that may require immediate attention. However, not all cases of nausea are a sign of an underlying illness. There are numerous reasons that an individual can...

Maslow’s theory of needs describes sex as one of the basic requirements of human beings. The feelings of pleasure and contentment experienced during sex are rooted in the brain. Contrary to popular belief, our brain is the primary sex organ. When an individual indulges in sexual activity, our sex...

Introduction Tachypnea is a medical term, which means rapid and shallow breathing. This condition is often confused with hyperventilation, which is another type of abnormal breathing that is characterized by rapid but deep breathing. Both conditions are caused by carbon dioxide buildup in the...