No one likes feeling drowsy when they want to be awake and alert. For centuries, folks have been self-medicating by drinking various beverages with caffeine (and Coca-cola originally had a more potent drug in it). We’ve come a long way from just boiling tea leaves in water, and here are just a few more ways caffeine is spreading into our lives.

• Inhalable caffeine isn’t really meant to be absorbed by the lungs, despite its name. Caffeine doesn’t really seem like a dietary supplement, either. [url]
• The Caffeine Zone app is supposed to help optimize when a person should ingest caffeine for maximal effects. But this simple app doesn’t take into account personal metabolisms — it just predicts how much caffeine will be left in your bloodstream after you enter in how much you drank, when and how fast. [url]
• The CDC and FDA have several warnings against caffeinated alcoholic beverages. But where are the warnings for a rum and Coke? [url]
• To discover more food-related links, check out what’s floating around in StumbleUpon. [url]  

By the way, StumbleUpon can also recommend some good Techdirt articles, too.

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