caffeine

We can talk while I get some caffeine into my system.

I was up most of the night, and I'd rather not have the caffeine.

It would probably be a really bad idea, to add more caffeine to her system.

He'd rather have had caffeine, but that was the last thing either of them needed right now.

More evidence is needed to rate caffeine for these uses.

Caffeine was going to be an essential part of the day.

Caffeine can be a very dangerous drug when not used in the right way.

And remember, coffee is not the only source of caffeine.

Taking 800 mg caffeine per day seems to work best.

Is caffeine going to determine whether you can do it?

It takes 15 to 30 minutes for caffeine to kick in.

Around 90 percent of Americans consume caffeine every single day in one form or another.

Some people are more sensitive to the effects of caffeine than others.

It appears that the more the caffeine, the lower the risk.

However, this effect might be less in people who use caffeine regularly.

You must be low on the caffeine intake this morning.

I had a feeling we'd need plenty of caffeine to keep us all going.

By now I had enough caffeine in me to be civilized.

Caffeine can also hurt people if they drink a lot at once.

"They're also the ones more concerned about health and caffeine."

Some research shows that caffeine has no influence on heart rate.

She has been off caffeine since just after we started dating.

She needed more than caffeine at the end of those fifteen minutes.

It'll look like the man is just getting his caffeine fix.

I'd already had way too much caffeine, but who was counting?