A study found that B12 requirements may be too low for some people, putting them at risk for cognitive decline.

The cycle of pushing beyond a difficult level or boss is probably familiar to most everyone: You fail a lot, over and over. Eventually, you decide it’s not happening and you step away. When you return ...

Wide fluctuations in cholesterol levels over time were associated with significantly higher odds of developing dementia and cognitive decline in older adults compared with stable levels ...