Näinhän siinnä lokakuisessa tutkimuksessa oli, viime syksynä julkaistu:
In multivariable adjusted proportional hazards regression models, the use of multivitamins (hazard ratio, 1.06; 95% CI, 1.02-1.10; absolute risk increase, 2.4%),
vitamin B(6) (1.10; 1.01-1.21; 4.1%),
folic acid (1.15; 1.00-1.32; 5.9%),
iron (1.10; 1.03-1.17; 3.9%),
magnesium (1.08; 1.01-1.15; 3.6%),
zinc (1.08; 1.01-1.15; 3.0%),
and copper (1.45; 1.20-1.75; 18.0%)
were associated with increased risk of total mortality when compared with corresponding nonuse.
Use of calcium was inversely related (hazard ratio, 0.91; 95% confidence interval, 0.88-0.94; absolute risk reduction, 3.8%).
Findings for iron and calcium were replicated in separate, shorter-term analyses (10-year, 6-year, and 4-year follow-up), each with approximately 15% of the original participants having died, starting in 1986, 1997, and 2004."