2013년 10월 26일 토요일

Ilona Warf's blog ::Danger in the Air: How to Protect Yourself from Lung Cancer






Ilona Warf's blog ::Danger in the Air: How to Protect Yourself from Lung Cancer










Nicotine               is               considered               a               stimulant.

Some               have               even               turned               to               smoking               in               the               belief               it               helps               aid               weight               loss.

Researchers               are               finding               an               association               between               smoking               and               depression.

What               is               that               association?

Does               smoking               cause               depression?

The               reason               nicotine               is               considered               a               stimulant               is               that               it               increases               heart-rate               and               blood               pressure.

It               also               stimulates               the               central               nervous               system.

These               effects               are               felt               almost               immediately               upon               smoking               as               nicotine               causes               he               body               to               release               a               small               amount               of               adrenaline.

In               the               short               term,               this               stimulation               can               make               you               feel               more               alert,               but               any               stimulating               effects               don't               last               long.
               It               is               well-known               that               smoking               is               addictive               and               has               been               linked               to               causing               cancer,               lung               diseases,               heart               problems,               stroke               and               even               wrinkles.

With               so               many               chemicals               in               cigarettes,               it's               hard               to               know               how               many               health               risks               smoking               can               cause.

Researchers               are               looking               at               mental               health               risks               of               smoking.

In               trying               to               help               people               quit,               they               are               looking               to               see               if               underlying               mood               disorders               might               contribute               to               smoking.
               Several               studies               have               been               done               to               see               if               there               is               a               link               between               smoking               and               depression.

Studies               in               the               Harvard               Review               of               Psychiatry               and               the               American               Journal               of               Psychiatry               show               there               is               some               type               of               association               between               smoking               and               depression.
               Nicotine               affects               the               release               of               neurotransmitters               in               the               brain,               including               serotonin,               dopamine               and               norepinephrine,               which               affect               mood.

Smoking               also               prevents               the               breakdown               these               mood               regulating               neurotransmitters.

This               shows               that               nicotine               works               in               a               similar               fashion               as               antidepressant               medications.
               Research               has               shown               that               those               with               a               high               rate               of               smoking               may               have               a               history               of               depression               or               symptoms               of               depression.

It               is               believed               that               more               than               half               of               all               smokers               may               suffer               from               some               type               of               mental               disorder,               including               depression.
               Quitting               smoking               often               causes               lowered               mood               levels.

Add               that               with               the               other               symptoms               of               nicotine               withdrawal               and               you               can               see               why               many               people               have               a               hard               time               quitting.

The               use               of               antidepressants               with               or               without               behavioral               modification               is               often               a               part               of               smoking               cessation               programs.

This               helps               many               people               increase               their               rate               of               success.
               A               question               to               ask               is               did               heavy               smokers               have               symptoms               of               depression               before               beginning               to               smoke               or               did               they               develop               these               symptoms               after               using               nicotine?

Most               research               studies               are               simply               finding               the               relationship               of               smoking               and               depression               and               how               smoking               affects               the               same               neurotransmitters               as               antidepressants.

These               researchers               are               leaning               to               the               idea               that               smokers               already               suffered               symptoms               of               depression               prior               to               the               use               of               nicotine.
               But               what               if               smokers               increased               their               mood               levels               with               the               use               of               smoking               then               became               adjusted               to               the               higher               levels               of               neurotransmitters               and               elevated               mood?

Attempts               to               quit               smoking               would               then               cause               symptoms               of               depression               as               mood               levels               dropped               back               to               more               normal               levels.

This               would               show               there               wasn't               an               underlying               depressive               disorder               prior               to               smoking               but               that               it               was               caused               by               increased               levels               of               neurotransmitters               from               smoking               which               were               merely               leveling               out               after               attempts               to               quit.
               A               study               published               in               the               Archives               of               General               Psychiatry               showed               that               secondhand               smoke               caused               not               only               physical               health               risks               but               an               increased               risk               for               mental               disorders.

Nearly               15%               of               those               in               the               study               experienced               psychiatric               distress               with               many               being               admitted               for               psychiatric               care               during               the               follow-up               period.
               This               might               lead               to               thinking               that               cigarette               smoke               causes               depression               by               lowering               mood.

But               what               if               the               secondhand               smoke               actually               caused               a               slight               increase               in               neurotransmitters               and               mood?

Continued               exposure               to               secondhand               smoke               would               cause               the               person               to               become               adjusted               to               these               higher               levels.

Since               effects               on               mood               from               smoking               and               secondhand               smoke               are               only               temporary,               these               people               might               suffer               symptoms               of               depression               as               mood               levels               lowered               without               exposure.
               Further               studies               should               be               made               based               on               this               information.

As               it               is,               researchers               are               leaning               toward               an               already               present               underlying               mood               disorder               in               those               who               smoke.

Perhaps               they               should               shift               direction               and               start               examining               if               continued               exposure               to               secondhand               smoke,               even               during               childhood,               could               cause               a               chemical               imbalance               by               temporarily               increasing               mood               levels               that               could               lead               to               someone               smoking               in               order               to               keep               the               levels               up.
               If               they               find               that               exposure               to               secondhand               smoke               temporarily               increases               mood               levels               and               it               is               the               lack               of               continued               exposure               that               causes               symptoms               of               depression,               it               might               go               a               long               way               to               find               options               in               smoking               prevention               programs.

Although               treatment               options               may               remain               the               same               to               help               smokers               to               quit,               there               could               be               some               benefit               to               knowing               if               secondhand               cigarette               smoke               or               actual               smoking               causes               depression.
               SOURCES:
               Personal               Experience               and               Theory
               Elizabeth               Quattrocki,               et               al.;               Biological               Aspects               of               the               Link               between               smoking               and               depression;               Harvard               Review               of               Psychiatry
               AH               Glassman;               Cigarette               smoking:               implications               for               psychiatric               illness;               The               American               Journal               of               Psychiatry
               Mark               Hamer,               PhD,               et               al.;               Objectively               Assessed               Secondhand               Smoke               Exposure               and               Mental               Health               in               Adults;               Archives               of               General               Psychiatry




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