id	keyword
mkg-20974	caffeine
mkg-20974	bone
mkg-20974	dose
mkg-20974	density
mkg-20974	mineral
mkg-20974	group
mkg-20974	chocolate
mkg-20974	day
mkg-20974	movement
mkg-20974	tooth
mkg-20974	consumption
mkg-20974	mineral density
mkg-20974	effect
mkg-20974	guinea