They deliver purposefully misleading messages such as the idea that your body can actually make use of the 1000's of percentage points of extra vitamin B that they dump in those cans. Now, I am a young adult who drank Monster and Rockstar Energy Drinks for years and I will be the first to say that anyone who can should cut these out of your intake. So they're saying a cup of coffee has 85-150mg of caffeine but lower in the same article claim that a cup of coffee has about 30.8mg of caffeine. Then they go on to say that 215 mg found in an energy shot is roughly 7 times the amount found in a cup of coffee. At one point they say that 600mg of caffeine is considered by the FDA to be a mostly safe daily dose, the equivalent of 4-7 cups of coffee. This article is interesting but not wholly consistent. So it's not just the caffeine its who is drinking the caffeine and what else they are taking. Lets just say that wearing a 21mg patch, mixing nodoze and redbulls while taking an antibiotic that increases the caffeine levels in the blood about 5 fold may net you a 3 day stay in the ICU with acute renal failure and atrial fibrillation and you miss those exams you are studying for. one really fucked up thing that I have seen as an ER physician in a college town is kids who decide that to stay up to study they should not only drink caffeine, but also use a nicotine patch (in non-smokers for whom it's a stimulant). People get into trouble when they use caffeine tablets or they mix caffeine with a drug that causes either increased levels of caffeine (tagamet, cipro, etc) or increased sensitivity to the adverse effects of caffeine (sudafed, theophylline, nicotine), or they are themselves more vulnerable to the effects (no tolerance, heart or thyroid disease, basic stupidity). Though you can get significant toxic effects at even 0.5g - but you don't do much other than try to chill out. So you probably can't kill yourself with coffee in most circumstances. Depending on your barista that's around 100 cups of brewed coffee at one go. The LD50 for caffeine is 150-200 mg/kg for an adult human (depending on tolerance). The things that do react are usually in very small quantity and just release bubbles into the solution around them (cakes and such) so that even if they were not included, the result would still be edible (as a cookie or a pancake or a scone). Most things (not all) are merely suspensions or solutions that don't directly react with eachother, so their concentrations and masses are fairly irrelevant to the outcome. Then you realize that most of the chemistry in cooking isn't between reactants, but is just in the actual cooking (heat, moisture, airflow). Industry standards in flour fineness and salt granularity grades, and many other solids have resulted in this recipe system being very accurate. (Though, as with other systems, the numbers are made up so it takes some referencing to figure shit out.).Īges ago, the "cup" got locked in at 8oz, which fixed every other measure and the standardized measuring tools began to roll out. The actual ounces don't matter so long as the ratios hold. Originally, a "Cup" wasn't a unified fixed volume.Īmerican recipes are actually ratios by volume.ģ teaspoons to a tablespoon, 4 tablespoons to a quarter cup (or 16tbsp/cup if you prefer). New to reddit? Click here! Get flair in /r/science Previous Science AMA's
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