CHENNAI: A new study published in Nature suggests that low levels of lithium in the brain may play an important role in the ...

Turmeric offers health perks, but taking too much—especially in supplement form—can backfire. Turmeric may help with arthritis, diabetes markers, and brain health. Large doses of turmeric may cause ...

# Caffeine is a central nervous system stimulant. # In small, controlled amounts, it can improve alertness and reaction time.