National Cancer Institute
A simple new blood test can predict when dementia symptoms will start.
×
Javascript is required for you to be able to read premium content. Please enable it in your browser settings.
kAmtDE:>2E:?8 E96 @?D6E @7 p=K96:>6C’D 5:D62D6 DJ>AE@>D H:== DA665 FA E96 56G6=@A>6?E @7 AC6G6?E:G6 EC62E>6?ED[ D2J p>6C:42? D4:6?E:DED]k^Am
kAm#6D62C496CD 2E k2 9C67lQ9EEADi^^>65:4:?6]H2D9F]65F^Q E2C86ElQ03=2?<Q C6=lQ?@C676CC6C ?@@A6?6CQm(2D9:?8E@? &?:G6CD:EJ $49@@= @7 |65:4:?6k^2m :? $E] {@F:D 56G6=@A65 E96 >6E9@5 E@ AC65:4E H96? D@>6@?6 :D =:<6=J E@ 56G6=@A DJ>AE@>D @7 p=K96:>6C’D FD:?8 2 D:?8=6 3=@@5 E6DE]k^Am
kAm%96 E62> D9@H65 E92E E96:C >@56=D AC65:4E65 E96 @?D6E @7 k2 9C67lQ9EEADi^^E2=<6C]?6HD^a_ad^_f^a`^DEF5J\7:?5D\2\4@>3:?2E:@?\@7\42?46C\5CF8D\4@F=5\EC62E\2=K96:>6CD^Q E2C86ElQ03=2?<Q C6=lQ?@C676CC6C ?@@A6?6CQmp=K96:>6C’D DJ>AE@>Dk^2m H:E9:? 2 >2C8:? @7 E9C66 E@ 7@FC J62CD]k^Am
kAm%96J D2J E96:C 7:?5:?8D[ AF3=:D965 :? E96 ;@FC?2= k2 9C67lQ9EEADi^^HHH]?2EFC6]4@>^?>^Q E2C86ElQ03=2?<Q C6=lQ?@C676CC6C ?@@A6?6CQm}2EFC6 |65:4:?6k^2m[ 4@F=5 92G6 :>A=:42E:@?D 3@E9 7@C 4=:?:42= EC:2=D 56G6=@A:?8 AC6G6?E:G6 p=K96:>6C’D EC62E>6?ED 2?5 7@C 6G6?EF2==J :56?E:7J:?8 A6@A=6 =:<6=J E@ 36?67:E 7C@> DF49 EC62E>6?ED]k^Am
kAm$EF5J D6?:@C 2FE9@C !C@76DD@C $FK2??6 $49:?5=6C D2:5i “~FC H@C< D9@HD E96 762D:3:=:EJ @7 FD:?8 3=@@5 E6DED[ H9:49 2C6 DF3DE2?E:2==J 4962A6C 2?5 >@C6 2446DD:3=6 E92? 3C2:? :>28:?8 D42?D @C DA:?2= 7=F:5 E6DED[ 7@C AC65:4E:?8 E96 @?D6E @7 k2 9C67lQ9EEADi^^E2=<6C]?6HD^a_ad^_c^_h^92G:?8\2\72E96C\H:E9\2=K96:>6CD\>2J\:?4C62D6\56>6?E:2\C:D<\DEF5J^Q E2C86ElQ03=2?<Q C6=lQ?@C676CC6C ?@@A6?6CQmp=K96:>6C’D DJ>AE@>Dk^2m]k^Am
kAm“x? E96 ?62C E6C>[ E96D6 >@56=D H:== 2446=6C2E6 @FC C6D62C49 2?5 4=:?:42= EC:2=D]k^Am
kAm“tG6?EF2==J[ E96 8@2= :D E@ 36 23=6 E@ E6== :?5:G:5F2= A2E:6?ED H96? E96J 2C6 =:<6=J E@ 56G6=@A DJ>AE@>D[ H9:49 H:== 96=A E96> 2?5 E96:C 5@4E@CD E@ 56G6=@A 2 A=2? E@ AC6G6?E @C D=@H DJ>AE@>D]”k^Am
kAm%96 >@56=D E92E $49:?5=6C 2?5 96C 4@==628F6D 56G6=@A65 FD6 2 AC@E6:? 42==65 A\E2Fa`f :? 2 A2E:6?E’D A=2D>2[ E96 =:BF:5 A2CE @7 E96 3=@@5[ E@ 6DE:>2E6 E96 286 H96? E96J H:== 368:? 6IA6C:6?4:?8 DJ>AE@>D @7 E96 ?6FC@5686?6C2E:G6 5:D62D6]k^Am
kAm{6G6=D @7 A\E2Fa`f :? E96 A=2D>2 42? 4FCC6?E=J 36 FD65 E@ 96=A 5@4E@CD 5:28?@D6 k2 9C67lQ9EEADi^^E2=<6C]?6HD^a_ad^_b^b`^?6H\2=K96:>6CD\3=@@5\E6DE\42?\244FC2E6=J\EC24<\5:D62D6\AC@8C6DD:@?^Q E2C86ElQ03=2?<Q C6=lQ?@C676CC6C ?@@A6?6CQmp=K96:>6C’Dk^2m :? A2E:6?ED H:E9 4@8?:E:G6 :>A2:C>6?E]k^Am
kAmqFE E96 E6DED 2C6 ?@E 4FCC6?E=J C64@>>6?565 :? 4@8?:E:G6=J F?:>A2:C65 A6@A=6 @FED:56 @7 4=:?:42= EC:2=D @C C6D62C49]k^Am
kAm%@ :56?E:7J E96 :?E6CG2= 36EH66? 6=6G2E65 A\E2Fa`f =6G6=D 2?5 k2 9C67lQ9EEADi^^E2=<6C]?6HD^a_ac^`a^_a^2=K96:>6CD\4@F=5\36\56E64E65\a_\J62CD\367@C6\DJ>AE@>D\D9@H^Q E2C86ElQ03=2?<Q C6=lQ?@C676CC6C ?@@A6?6CQmp=K96:>6C’D DJ>AE@>Dk^2m[ $49:?5=6C 2?5 DEF5J =625 2FE9@C sC] z6==6? !6E6CD6? 2?2=JD65 52E2 7C@> G@=F?E66CD :? EH@ :?56A6?56?E =@?8\CF??:?8 p=K96:>6C’D C6D62C49 :?:E:2E:G6D]k^Am
kAm%96 A2CE:4:A2?ED :?4=F565 e_b @=56C 25F=ED H9@ =:G65 :?56A6?56?E=J :? E96 4@>>F?:EJ]k^Am
kAm!=2D>2 A\E2Fa`f 92D AC6G:@FD=J 366? D9@H? E@ 4@CC6=2E6 DEC@?8=J H:E9 E96 244F>F=2E:@? @7 2>J=@:5 2?5 E2F :? E96 3C2:? 2D D9@H? @? !t% D42?D]k^Am
kAm%96 <6J 92==>2C<D @7 p=K96:>6C’D 5:D62D6[ E96 E62> 6IA=2:?65 E92E 2>J=@:5 2?5 E2F 2C6 >:D7@=565 AC@E6:?D E92E 368:? 3F:=5:?8 FA :? E96 3C2:? >2?J J62CD 367@C6 k2 9C67lQ9EEADi^^E2=<6C]?6HD^a_ac^_`^aa^4@>>@?\DE@>249\3F8\7@F?5\42?\C2:D6\E96\C:D<\@7\2=K96:>6CD\DEF5J^Q E2C86ElQ03=2?<Q C6=lQ?@C676CC6C ?@@A6?6CQmp=K96:>6C’D DJ>AE@>Dk^2m 56G6=@A]k^Am
Hush Naidoo Jade Photography
kAmsC] !6E6CD6? D2:5i “p>J=@:5 2?5 E2F =6G6=D 2C6 D:>:=2C E@ EC66 C:?8D \ :7 H6 <?@H 9@H >2?J C:?8D 2 EC66 92D[ H6 <?@H 9@H >2?J J62CD @=5 :E :D]k^Am
kAm“xE EFC?D @FE E92E 2>J=@:5 2?5 E2F 2=D@ 244F>F=2E6 :? 2 4@?D:DE6?E A2EE6C? 2?5 E96 286 E96J 364@>6 A@D:E:G6 DEC@?8=J AC65:4ED H96? D@>6@?6 :D 8@:?8 E@ 56G6=@A k2 9C67lQ9EEADi^^E2=<6C]?6HD^a_ac^`_^ac^5CF8\:?\@K6>A:4\>2J\2=D@\96=A\C65F46\C:D<\@7\2=K96:>6CD\DEF5J^Q E2C86ElQ03=2?<Q C6=lQ?@C676CC6C ?@@A6?6CQmp=K96:>6C’Dk^2m DJ>AE@>D]k^Am
kAmQ(6 7@F?5 E9:D :D 2=D@ ECF6 @7 A=2D>2 A\E2Fa`f[ H9:49 C67=64ED 3@E9 2>J=@:5 2?5 E2F =6G6=D]”k^Am
kAmw6 D2:5 @=56C A2CE:4:A2?ED 925 2 D9@CE6C E:>6 7C@> H96? 6=6G2E65 A\E2Fa`f 2AA62C65 E@ E96 DE2CE @7 DJ>AE@>D 2D 4@>A2C65 E@ J@F?86C A2CE:4:A2?ED[ DF886DE:?8 E92E J@F?86C A6@A=6’D 3C2:?D >2J 36 >@C6 C6D:=:6?E E@ ?6FC@5686?6C2E:@? 2?5 E92E @=56C A6@A=6 >2J 56G6=@A DJ>AE@>D 2E =@H6C =6G6=D @7 k2 9C67lQ9EEADi^^E2=<6C]?6HD^a_ac^_e^`f^DEF5J\7:?5D\:7\J@FC\>@>\925\2=K96:>6CD\J@FC6\>@C6\=:<6=J\E@\56G6=@A\56>6?E:2^Q E2C86ElQ03=2?<Q C6=lQ?@C676CC6C ?@@A6?6CQmp=K96:>6C’Dk^2m A2E9@=@8J]k^Am
kAmu@C 6I2>A=6[ :7 2 A6CD@? 925 6=6G2E65 A\E2Fa`f :? E96:C A=2D>2 2E 286 e_[ E96J 56G6=@A65 DJ>AE@>D a_ J62CD =2E6C] x7 A\E2Fa`f H2D?’E 6=6G2E65 F?E:= 286 g_[ E96J 56G6=@A65 DJ>AE@>D @?=J `` J62CD =2E6C]k^Am
kAm%96 C6D62C49 E62> D92C65 2== 4@56 7@C 56G6=@A>6?E @7 E96 >@56=D D@ E92E @E96C D4:6?E:DED 42? 7FCE96C C67:?6 E96 >@56=D]k^Am
kAmsC] !6E6CD6? 2=D@ 56G6=@A65 2 H63\32D65 2AA=:42E:@? 2==@H:?8 C6D62C496CD E@ 6IA=@C6 E96 4=@4< >@56=D :? 8C62E6C 56E2:=]k^Am
kAmw6 D2:5i “%96D6 4=@4< >@56=D 4@F=5 >2<6 4=:?:42= EC:2=D >@C6 677:4:6?E 3J :56?E:7J:?8 :?5:G:5F2=D H9@ 2C6 =:<6=J E@ 56G6=@A DJ>AE@>D H:E9:? 2 46CE2:? A6C:@5 @7 E:>6]k^Am
kAm“(:E9 7FCE96C C67:?6>6?E[ E96D6 >6E9@5@=@8:6D 92G6 E96 A@E6?E:2= E@ AC65:4E DJ>AE@> @?D6E 244FC2E6=J 6?@F89 E92E H6 4@F=5 FD6 :E :? :?5:G:5F2= 4=:?:42= 42C6]”k^Am
kAmsC] !6E6CD6? 25565 E92E 255:E:@?2= 3=@@5 3:@>2C<6CD 2DD@4:2E65 H:E9 4@8?:E:G6 DJ>AE@>D :? k2 9C67lQ9EEADi^^E2=<6C]?6HD^a_ac^_a^ah^A@@C\DA2E:2=\?2G:82E:@?\>2J\AC65:4E\2=K96:>6CD\J62CD\367@C6\>6>@CJ\=@DD^Q E2C86ElQ03=2?<Q C6=lQ?@C676CC6C ?@@A6?6CQmp=K96:>6C’Dk^2m 4@F=5 36 FD65 E@ C67:?6 E96 6DE:>2E6D @7 DJ>AE@> @?D6E :? 7FEFC6 DEF5:6D]k^Am
(0) comments
Welcome to the discussion.
Log In
Keep it Clean. Please avoid obscene, vulgar, lewd, racist or sexually-oriented language.
PLEASE TURN OFF YOUR CAPS LOCK.
Don't Threaten. Threats of harming another person will not be tolerated.
Be Truthful. Don't knowingly lie about anyone or anything.
Be Nice. No racism, sexism or any sort of -ism that is degrading to another person.
Be Proactive. Use the 'Report' link on each comment to let us know of abusive posts.
Share with Us. We'd love to hear eyewitness accounts, the history behind an article.