Biological Causes Of Anxiety
Causes
A person's genetics, biochemistry, environment, history, and psychological profile can all contribute to the development of anxiety disorders. Most people with these disorders seem to have a biological vulnerability to stress, making them more susceptible to environmental stimuli than the rest of the population.
Biochemical Factors
Studies suggest that an imbalance of certain substances called neurotransmitters (chemical messengers in the brain) may contribute to anxiety disorders. The...
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From Our Experts
When Grief Causes Anxiety
Losing a loved one is hard. According to Elisabeth Kübler-Ross, MD, in her 1969 book titled On Death and Dying, there are five stages of... Read more »
Can Biology Explain Panic Disorder?
Most experts agree that both biological and psychological issues are involved in panic disorder. The area of debate is around the relative... Read more »
Causes of Anxiety
We are born to be anxious. Without it we would have no internal mechanism to monitor and respond to real or perceived threats. In this... Read more »
Are Your Medications Causing Your Anxiety Symptoms?
This past week I had an interesting conversation with a friend about medications. We were talking about how my son’s neurologist was... Read more »
The Anatomy of Anxiety Part I
In the next four sections, I will discuss anxiety from a biological and evolutionary perspective. Stress and anxiety are often... Read more »
From Our Sources
Biological Link Found Between Stress, Anxiety, and Depression ...
Scientists at The University of Western Ontario say they have found the biological link between stress, anxiety, and depression. The researchers say... Read more »
Causes of Obesity: Biological and Medical Causes
Source: ADAM Encyclopedia
CausesObesity occurs when a person consumes more calories than they need for the energy they use. Several different factors may influence weight... Read more »
Causes of ADHD
Source: ADAM Encyclopedia
Gender and ADHDADHD is diagnosed more often in boys than in girls. Boys are more likely to have the combined type of ADHD. Girls are more likely to... Read more »
Causes of Bipolar Disorder
Source: ADAM Encyclopedia
AgeBipolar disorder usually first occurs between the ages of 15 - 30 years, with an average age of onset at 25 years. However, bipolar disorder can... Read more »
Biological Therapies for Cancer: Questions and Answers
Source: National Cancer Institute
Biological Therapies for Cancer: Questions and Answers Key Points • • Biological therapies use the body’s immune system to fight cancer or to... Read more »
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