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No, you don’t have to drink orange juice with iron pills; vitamin C can aid absorption, but water is fine if you avoid tea, coffee, or milk.

No—raspberry leaf tea can be enjoyed hot, iced, or cold-brewed; temperature doesn’t change its caffeine-free nature or the leaf’s earthy taste.

Caffeine may boost standard painkillers for some aches, but proof for lasting nerve pain relief is limited and mixed.

Yes, caffeine can briefly restore alertness during sleep deprivation, but it can’t replace sleep and its effects fade fast—with trade-offs.

No, caffeine doesn’t treat the flu; it may ease headache and sleepiness, but rest, fluids, and antivirals when needed are the real treatments.

Yes, caffeine can nudge typing speed upward by sharpening alertness and reaction time, though gains vary and steadiness or accuracy may dip.

Yes, caffeine can help workouts by boosting effort, lowering perceived exertion, and aiding power and endurance when it’s dosed and timed well.

No, caffeine doesn’t treat sleep apnea; it may lift daytime alertness but can cut sleep if taken within 6–12 hours of bedtime.

No, caffeine doesn’t cure toothache—at best it slightly boosts some painkillers’ effect; real relief needs timely dental care.

No, you don’t have to drink decaf coffee in pregnancy; most medical groups suggest keeping total caffeine under about 200 mg per day.