SCIENCE NEWS

Re­cent sci­en­tific re­search has brought up some sur­pris­ing re­sults...

Trail Running (UK) - - Contents - Words Paul Hal­ford

The very lat­est health and fit­ness tips

Curb­ing carbs

Lim­it­ing carb in­take has be­come fash­ion­able, but a new pa­per from the Atheroscle­ro­sis Risk in Com­mu­ni­ties Study says di­ets that are low (un­der 40%) or very high (over 50-55%) in carbs were as­so­ci­ated with the high­est risk of mor­tal­ity. The re­view looked at stud­ies in­volv­ing diet records from 432,000 peo­ple from over 20 coun­tries.

Plate size

Us­ing smaller plates is a well-known ploy to try to trick the brain into think­ing your por­tion size is larger. How­ever, re­searchers at the Ben-Gu­rion Univer­sity of the Negev (BGU) in Is­rael have cast doubt on that the­ory, by dis­cov­er­ing that a group who hadn’t eaten for three hours were bet­ter at iden­ti­fy­ing cor­rect pro­por­tions in por­tions of pizza than those who had just eaten.

Var­ied diet best?

Get a var­ied diet, says tra­di­tional ad­vice – but an ar­ti­cle pub­lished in the Amer­i­can Heart As­so­ci­a­tion jour­nal Cir­cu­la­tion says there’s no ev­i­dence that a di­verse diet en­cour­ages healthy weight or op­ti­mal eat­ing, and that it could lead to an in­creased calo­rie in­take over­all. The au­thors rec­om­mend eat­ing low-fat dairy prod­ucts, non­trop­i­cal veg­etable oils, nuts, poul­try and fish.

Salt in the wound?

Salt is of­ten pre­sented as pub­lic en­emy No.1, but one group of sci­en­tists be­lieves that con­sum­ing sodium doesn’t nor­mally lead to health prob­lems un­less your in­take is more 5g per day – and fewer than 5% of peo­ple in de­vel­oped coun­tries tend to go above that level. The study, which in­volved 94,000 peo­ple over eight years, cast doubt on World Health Or­gan­i­sa­tion rec­om­men­da­tions of less than 2g of sodium per day.

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