Desi la prima vedere poate parea ciudat, aerul conditionat este un factor care duce la obezitate, potrivit unui cercetator american. Aproape toata lumea stie ca proastele obiceiuri alimentare si lipsa de exercitiu, sunt principalele motive care pot duce la obezitate. Insa exista si alti factori care au un rol in aparitia aceste boli.
Cercetatorul american, David Allison, de la Universitatea din Alabama de la Birmingham, si echipa sa de 19 de cercetatori au facut o lista, care cuprinde ceilalti zece factori importanti care duc la obezitate. Pe langa lipsa de somn, reducerea tigarilor fumate, cercetatorul a inclus pe aceasta lista si aerul conditionat. Mai exact, confortul. Oamenii care lucreaza in birouri, care au montate aer conditionat, ard putine calorii, potrivit cercetatorului. Potrivit Realitatea.net, acesta sustine ca temperaturile placute nu fac altceva decat sa ofere confortul necesar organismului nostru, care nu va consuma calorii.
"Atunci cand este caldura mare, organismul consuma calorii ca sa se adapteze la temperatura. Pe cand confortul termic nu mai duce la consumul de calorii. Deci este un factor, adevarat minor, dar este un factor favorizant cresterii ponderale. In loc sa te plimbi, daca sunt 40 de grade Celsius afara, nu mai iesi. Stai linistit in fotoliu, pentru ca aerul iti permite acest lucru. Te simti bine. Aerul conditionat, usurinta informarii, toate acestea inseamna consum de energie scazut, efort minim. Tot ce inseamna confort pe lume duce la obezitate, pentru ca inseamna lipsa de miscare, lipsa exercitiului fizic", potrivit medicului Constantin Dumitrache de la Institutul de Endocrinologie C.I. Parhon din Bucuresti.
Sursa: http://www.amfms.ro/din_presa/5284.html
vineri, 25 iunie 2010
marți, 22 iunie 2010
Tea drinkers may up arthritis risk
ROME, June 19 (UPI) -- Women who drink tea may increase their risk of rheumatoid arthritis, U.S. researchers say.
Drinking any amount of tea was associated with an increased risk of rheumatoid arthritis but the researchers found no increased risk of rheumatoid arthritis in women who drank coffee. Neither the method of coffee preparation -- filtered vs. unfiltered -- nor the presence or lack of caffeine showed any significant associations with rheumatoid arthritis.
"It is surprising that we saw such differences in results between tea and coffee drinkers," Christopher Collins of Georgetown University Medical Center in Washington, said in a statement. "This does make us wonder what it is in tea, or in the method of preparation of tea that causes the significant increase in risk of developing rheumatoid arthritis."
The study -- involving 76,643 women ages 50-79 taken from the 15-year Women's Health Initiative Observational Study database -- used statistical hazard models to determine whether tea or coffee consumption was associated with an increased risk of rheumatoid arthritis or systemic lupus erythematosus, an autoimmune disease in which the immune system harms the body's own healthy cells.
The findings were presented at the annual congress of the European League Against Rheumatism in Rome.
Sursa: http://www.upi.com/Health_News/2010/06/19/Tea-drinkers-may-up-arthritis-risk/UPI-22841276926978/
Drinking any amount of tea was associated with an increased risk of rheumatoid arthritis but the researchers found no increased risk of rheumatoid arthritis in women who drank coffee. Neither the method of coffee preparation -- filtered vs. unfiltered -- nor the presence or lack of caffeine showed any significant associations with rheumatoid arthritis.
"It is surprising that we saw such differences in results between tea and coffee drinkers," Christopher Collins of Georgetown University Medical Center in Washington, said in a statement. "This does make us wonder what it is in tea, or in the method of preparation of tea that causes the significant increase in risk of developing rheumatoid arthritis."
The study -- involving 76,643 women ages 50-79 taken from the 15-year Women's Health Initiative Observational Study database -- used statistical hazard models to determine whether tea or coffee consumption was associated with an increased risk of rheumatoid arthritis or systemic lupus erythematosus, an autoimmune disease in which the immune system harms the body's own healthy cells.
The findings were presented at the annual congress of the European League Against Rheumatism in Rome.
Sursa: http://www.upi.com/Health_News/2010/06/19/Tea-drinkers-may-up-arthritis-risk/UPI-22841276926978/
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