Low blood sugar has several causes, from diabetes medications and alcohol to exercise and skipped meals. Learn what's behind the drop and how your body responds.
Prune juice leads for iron content, but orange juice may help more by boosting absorption. Here's what the evidence says about juice and low iron levels.
132 mg of caffeine is moderate for most adults—below the daily limit but enough to notice. Here's how it affects your body and who might want to be cautious.