44
Smile
May2016
The
buzz
Dr.WongWeiMun, deputymedical
director,RafflesMedicalSingapore
Istheresuchathingasdrinkingtoo
muchwater?
Althoughuncommon, it ispossible to
drink toomuchwater.The intakeofa
largeamountofwatercanoverwhelm
thekidneyssuch that theyareno longer
able toexcrete theexcesswater. Itmay
alsodilute theelectrolyte (mineral)
contentofblood, resulting in lowsodium
levels.Thiscondition isknownas
hyponatremiaand ithasserioushealth
consequences.
Is itokaytodrinksparklingwater?
Stillwaterbecomes “sparkling”when
pressurizedcarbondioxide isadded to
it.Thereareconcerns thatcarbonation
increasescalcium loss inbonesand
causes toothdecay. Studies that
comparedcarbonatedwater tofizzy
sugarydrinksproveotherwise.
Herearesomemust-know
factsabout themost important
beverage—water
Drinkup
BESTBEVERAGE
FORWORKOUTS
THATAREMORE
THANANHOUR
LONG, SUCH
ASRUNNINGA
MARATHON, IT'S
BESTTOTAKE
SPORTSDRINKS
THATCONTAIN
SODIUM.
PASSTHESODIUMPLEASE
3L
60%
2.2L
450to
600ml
of our bodyweight
compriseswater
ThedailyAI for
women
Extraamount ofwater
neededwhenyouexercise
for anhour or less
Adequate intake (AI) formen
eachday, according to the
US InstituteofMedicine
ASKANEXPERT