This Week's Featured Article:
Nutrients improve cognitive function and memory in older adults
B vitamins boosted cognition
Good brain function in older adults depends on a constant supply of certain B vitamins, which help keep inflammatory homocysteine levels in check. To test if B vitamins could improve cognitive function in middle aged and older adults, doctors gave 104 people 800 mcg of folic acid, 10 mg of vitamin B6, and 25 mcg of vitamin B12 per day, or a placebo. After 14 weeks, vitamin B levels in the placebo group had stayed the same or...