Could you tell us how the caffeine content of soda, chocolate and decaf compares to coffee?

We were wondering several things. We are concerned about the health risks of caffeine and wonder if you could tell us how the caffeine content of soda, chocolate and decaf compares to coffee (how many milligrams of caffeine for one serving of each?) Also, we have heard caffeine depletes calcium content. is this true?...

It seems that when I drink coffee I get a headache.

It seems that when I drink coffee I get a headache. I could never understand this. I drink 2 cups per day (caffeinated) regular coffee. The headache starts hours after I drink the coffee or sometimes the next day. I would appreciate any input you would have concerning this problem. It certainly is a...

Does caffeine affect the absorption of certain vitamins or minerals like iron?

In your section on caffeine, you recommend that to reduce intake to limit a cup of coffee to one a meal. Does caffeine affect the absorption of certain vitamins or minerals like iron? I could be way off, but I thought that it was better not to have caffeine with meals. Please set me straight...

I work shift work and my doctor told me to cut down on coffee.

I work shift work and my doctor told me to cut down on coffee. I bring a thermos of coffee to work, so I do need the caffeine. But, it's giving me irregular heartbeats. Should I just cut the coffee out cold turkey? Symptoms of too much caffeine (a headache, tremor, nervousness, irritability, increased sensitivity),...

I’m having problems getting to sleep at night. Is dinner coffee keeping me awake.

I'm having problems getting to sleep at night. I'm worried that my dinner coffee may be keeping me awake. How much coffee is too much at night? Caffeine only takes 15 to 20 minutes to get into your blood and the caffeine effect lasts up to 10 hours. If you have problems falling asleep at...

Does caffeinated pop give us hiccups?

Does caffeinated pop give us hiccups? Caffeine would not give you hiccups. The carbonation in the pop (also called soda) you drink may though.

I’m in a 100-mile bike race and heard that caffeine may help me last longer and go faster.

I am going to be in a 100-mile bike race in July and have heard that some caffeine may help me last longer and go faster. Is that true? If so, how much caffeine should I take? Sports researchers have studied the positive effects of small amounts of caffeine on athletes by reducing fatigue. Caffeine-containing...