Caffeine Awareness Month

It's estimated 85 percent of adults in the U.S. consume some form of caffeine, whether it's coffee, tea or soda, which means National Caffeine Awareness Month is targeting millions of people.

But how bad is caffeine for you? Is it time for a wakeup call?

It's an aroma that gets almost any caffeine consumer excited. Just name your flavor. Caffeine may definitely be a part of it considering the stimulant now has its own month.

March is National Caffeine Awareness Month. Dr. John Mackay says caffeine can cause problems for people with medical conditions involving their heart, depression or anxiety.

“Caffeine can act as a stimulant and cause rapid heartbeat, increase blood pressure and definitely do too good of a job of keeping people awake,” Dr. Mackay says.

But for the average cup of Joe, Dr. Mackay says “what the hay,” a serving or two throughout the day may be okay.

“Generally it’s a safe substance. I can't think of anybody who has come into my office that I've seen a toxic problem with caffeine. There's some minor trouble sometimes, but all in all it's a safe substance.”

And by minor trouble, Dr. Mackay is referring to the symptoms almost any caffeine addict has experienced, we're talking about headaches, restlessness and being irritable.