What causes Anxiety
Anxiety may be caused by a mental condition, a physical condition, the effects of drugs, or from a combination of these. The doctor’s initial task is to see if your anxiety is caused by a medical condition.
Common causes of anxiety include these mental conditions:
Panic disorder: In addition to anxiety, common symptoms of panic disorders are palpitations (feeling your heart beat), dizziness, and shortness of breath. These same symptoms also can be caused by coffee (caffeine), amphetamines (“speed” is the street slang for amphetamines when they are not prescribed by a do Read this article »
Recent Articles
Causes of Parkinson’s Disease
Low levels of dopamine, a brain chemical (neurotransmitter) involved in controlling movement, cause symptoms of Parkinson’s disease. The shortage of this brain chemical occurs when nerve cells in a part of the brain (substantia nigra) that produces dopamine fail and deteriorate. The exact cause of this deterioration is not known.
The links between Parkinson’s disease and [...]
Childhood Asthma
How can I tell if my child has asthma?
Not all children have the same asthma symptoms, and these symptoms can vary from episode to episode in the same child. Possible signs and symptoms of asthma in children include:
Frequent coughing spells, which may occur during play, at night, or while laughing or [...]
Read this article »What causes Gout?
Gout is caused by too much uric acid in the blood (hyperuricemia). Hyperuricemia usually does no harm, and many people with high levels of uric acid in the blood never develop gout. The exact cause of hyperuricemia sometimes is not discovered, although inherited factors (genes) seem to play a role. When uric acid levels in [...]
Read this article »Guide to Migraines
The exact causes of migraines are unknown, although they are related to changes in the brain as well as to genetic causes. People with migraines may inherit the tendency to be affected by certain migraine triggers, such as fatigue, bright lights, weather changes, and others.
For many years, scientists believed that migraines were linked to expanding [...]
ADHD in Children
Childhood ADHD, attention-deficit/hyperactivity disorder, is diagnosed after a child has shown six or more specific symptoms of inactivity and/or hyperactivity on a regular basis for more than six months in more than two settings. There is no single test for ADHD.
A doctor can diagnose ADHD with the help of standard guidelines. The diagnosis of ADHD [...]
What is ADHD?
Attention-deficit/hyperactivity disorder (ADHD) is also known as hyperactivity or attention deficit disorder (ADD). ADHD is a common condition that affects both children and adults.
The National Institute of Mental Health (NIMH) estimates that 3% to 5% of children have ADHD. Some experts, though, says ADHD may occurs in 8% to 10% of school age children. Experts [...]
What is Gout?
Gout is a kind of arthritis. It can cause an attack of sudden burning pain, stiffness, and swelling in a joint, usually a big toe. These attacks can happen over and over unless gout is treated. Over time, they can harm your joints, tendons, and other tissues. [...]
Read this article »What are Allergies?
What Are Allergies?
Allergies are an abnormal response of the immune system. People who have allergies have an immune system that reacts to a usually harmless substance in the environment. This substance (pollen, mold, animal dander, etc.) is called an allergen.
Allergies are a very common problem, affecting at least 2 out of every 10 Americans.
What Happens [...]