• •• • • • Tuesday, Seplembt't 1, 2009 nlE WALL STREET JOU RNA L. D1 Bye-Bye Bugs Scientists are sorting through t he 300 to eoo distinct enemcarodors of t he human bod y tofind what repels mosquitoes, Someofthe chemicals are related to stress,In t he Lab. Page D3, ' Mosq uitoes 11~' t hrough a ll aeria l SOU l) or c hemica ls, but can horne in 0 11 those t hat draw the m to humans' Older, Wiser, Slower __ ............ ....,-..._"""'"" -'_ After,50, Avid Athfete ,~ Find Tha t to Stlly llealthy, Th ey Must Let. Go of the Need to Win By (Uv", H".uH. HEALTH JOURNAL TY'm in my aortic ,oot, -Rae< all 1"" wan t : he sal", "but x""p your hean ..te be low 120, " far lower th a n most pea ' wo, Jeout target>. AmW:J eVCI"-nililg call> for more exerci", in AmeriCA, the .. isn1 m och guidance on cutting bacic A:i th e baby boom.... who fuc io:l mara thon a M triathlon crazes ",ter t he.. !<}s aro:I 60>, the er "Dq!J"'<bOO ro mp'" iti",n"", CAn bocome a t ....t to t heir stiffening ioiots, rigid JI1I.lscles, han:Jcning a "" n", aro:I high-milo_ hearts. And it doesn1 help th:o: ""ar ly <'\ICI"\' "'CI"cis< message the y bear e mphasize, more It \ '" if nobody wa nts to ac ~ owlcdge th at cxorcise "n1 lhe fountain of l"ut h. 1'b< n<>1'ain-oo-gain ...." ,... Ul\' 'ugthat you can Jce"p mallin g gai", if youj"'t worlc hardo ~ " say. MarJe a 51-~ ar-oJd a lhlclic roach once lo>ow n '" th e world\ fittest man for winning • six tronman Tr:iath ",n Wl,Id Champil offih ,p" As ro -llilthor of a new boo!< ! ca1lcd "Fn Soul, Fo Body ," Mr, Alirn u~ gu<s against fighting _ with more lis h!~ Mo, AI"" ' ......'*'9 10 1992, b""" on the t",,,lm W, "If _ can11 '" ge," AI"" "P on l he romp "' iti.. pan of i', if you have to go a, fast at 50 '" you did a t 20, you wiU grind yoo"df into the grOilOO a M bocome out, bitte, and ""hea llhy," he says , A growing numb... of e ", re i« ,den"'IS are que,,""'lltg t he mo,.,..an dhardo, phi losopby of fitness. and not only for aging at hlct"' , A . rudy pubI"bed I"" year in , he Annal> of Behavioral Medicine 'cinforced other ..... cent "'search ' OOwing 'hal i""'n'ity to dimini sh w view of p hysi cal activity .. pleasant, ' Eville ...,e show, f"" ling wotS< diJrtng exc",is< I",n ,," te'to doing Ics>excrci<c in the furu'", " saY' Fa ntel<imon Elc1<c\;aJei>, , rudy and a p, ofesan author of , or of I<in",,,,,,,gy at Iowa s...te University, TaJeiog on new , pon, or elloilcnge, can give long-used m",dc, a brea1< while feeding w desi'" for new_Is. says Matjorie Albohm, p",side nt of the National Athletic Train....' A:isol:ialion, who at 58 has become a ..,..,nt d",,""'" P!ro.., turnto pa ge ill ",,,SS<'d ,,,,<1< 'ha' 'ha' ~ _ otII oI tho 1_ _