ANXIETY

http://health.yahoo.net/channel/panic-disorders_treatments

......is a feeling of apprehension or fear. 

Factors

.......ADHD medications , alcohol , amphetamines bronchodilators for asthma , caffeine . cocaine , cold remedies , decongestants , diet pills , nicotine , thyroid medications , tricyclic antidepressants

A poor diet -- for example, low levels of vitamin B12 -- can also contribute to stress or anxiety. Performance anxiety is related to specific situations, like taking a test or making a presentation in public. Posttraumatic stress disorder (PTSD) develops after a traumatic event like war, physical or sexual assault, or a natural disaster. People with generalized anxiety disorder experience almost constant worry or anxiety about many things on more than half of all days for 6 months.  Panic disorder or panic attacks involve sudden and unexplained fear, rapid breathing, and increased heartbeat.In very rare cases, a tumor of the adrenal gland (pheochromocytoma) may be the cause of anxiety. The symptoms are caused by an overproduction of hormonesresponsible for the feelings of anxiety.

Healthy ways to cope

• Eat a well-balanced, healthy diet. Don't overeat.
• Get enough sleep.
• Exercise regularly.
• Limit caffeine and alcohol.
• Don't use nicotine, cocaine, or other recreational drugs.
• Learn and practice relaxation techniques like guided imagery, progressive muscle relaxation, yoga, tai chi, or meditation. Try biofeedback, using a certified professional to get you started.
• Take breaks from work. Make sure to balance fun activities with your responsibilities. Spend time with people you enjoy.
• Find self-help books at your local library or bookstore.