In 2006 Dunkin Donuts unveiled their new slogan, "America Runs on Dunkin." In an official statement, DD gives their reason behind their slogan, "The icons help to drive the concept that Dunkin' Donuts' freshly-made coffee and baked goods energize Americans walks of life so they can keep the country running..."  Starbucks is another popular chain that carries this sentiment as its menu boasts various forms of coffee from hot to iced. The ideology of teas and coffee being a food that energizes, is a common theme that the food industry has embraced in the their respective cultures. Teas, as it is mentioned in this article are referenced to those specifically containing caffeine.
At almost every food establishment, one can purchase coffee or tea at any time of day. People that consume coffee on a regular basis or even intermittently or socially will admit that they use coffee because it gives a boost of energy and simply because it just tastes good.
However, coffee is not only habit forming and addictive, it is harmful for your body and brain. Coffee is a stimulant, this is what is responsible for the "energy" that one feels after its consumption. A stimulant is a substance that raises levels of physiological or nervous activity in the body. "As the name suggests, stimulants increase alertness, attention, and energy, as well as elevate blood pressure, heart rate, and respiration." 
"Tea and coffee do not nourish the system. The relief obtained from them is sudden, before the stomach has time to digest them. This shows that what the users of these stimulants call strength, is only received by exciting the nerves of the stomach, which convey the irritation to the brain, and this in turn is aroused to impart increased action to the heart, and short-lived energy to the entire system. All this is false strength, that we are the worse for having. They do not give a particle of natural strength. The second effect of tea drinking is headache, wakefulness, palpitation of the heart, indigestion, trembling of the nerves, with many other evils."
On average "Americans consume 400 million cups of coffee per day, equivalent to 146 billion cups of coffee per year, making the United States the leading consumer of coffee in the world. Coffee represents 75% of all the caffeine consumed in the United States. The average coffee cup size is 9 ounces." 
Coffee Size Caffeine
Brewed 8 oz(237 mL) 95-200mg
Brewed, decaffeinated 8 oz (237 mL) 21-12 mg
Brewed, sinle-serve varieties 8 oz (237 mL) 24-45 mg
Espresso, restaurant-style 8 oz (237 mL) 2-4 mg
Espresso, restaurant-style, decaffeinated 1 oz (30 mL) 0-15mg
Instant 8 oz (237 mL) 27-173 mg
Instant, decaffeinated 8 oz (237 mL) 2-12 mg
Specialty drink (latte or mocha) 8 oz (237 mL) 63-175 mg
Tea Size Caffeine
Black Tea 8 oz(237 mL) 14-70 mg
Black Tea, decaffeinated 8 oz (237 mL) 0-12 mg
Green Tea 8 oz (237 mL) 24-45 mg
Iced Tea Size Caffeine
Instant, prepared with water 8 oz(237 mL) 11-47 mg
Ready-to-drink, bottled 8 oz (237 mL) 5-40 mg
Understanding the increased heightened state of awareness and nervous activity, elevation of blood pressure, heart rate and respiration that caffeine produces, one should be mindful of its intake. These symptoms have a stark comparison to the symptoms of an adrenaline rush, the flight or fight stress response. The flight or fight response is the body's natural response to stressful events and are only meant to be temporary in order to deal with the immediate stressful event. "That response is a flood of changes to your hormones, neurotransmitters, and body to prepare you to immediately run away or fight. It's designed to cover all of the bases: improving blood flow to the areas that need it, keeping your body cool, providing you with more energy, helping you see and respond more quickly, improving your mindset, etc."  These changes that occur in your body are to be temporary and ongoing symptoms of this nature leads to a breakdown of the entire body and its systems. 
The National Institute on Drug Abuse states that, because of stimulant's potential " for abuse and addiction became apparent, the medical use of stimulants began to wane. Now, stimulants are prescribed to treat only a few health conditions, including ADHD, narcolepsy, and occasionally depression—in those who have not responded to other treatments." 
"The use of tea and coffee is also injurious to the system. To a certain extent, tea produces intoxication. It enters into the circulation and gradually impairs the energy of body and mind. It stimulates, excites, and quickens the motion of the living machinery, forcing it to unnatural action, and thus gives the tea drinker the impression that it is doing him great service, imparting to him strength. This is a mistake. Tea draws upon the strength of the nerves, and leaves them greatly weakened. When its influence is gone and the increased action caused by its use is abated, then what is the result? Languor and debility corresponding to the artificial vivacity the tea imparted." 
"Tea, coffee, and tobacco, as well as alcoholic drinks, are different degrees in the scale of artificial stimulants. Coffee is a hurtful indulgence. It temporarily excites the mind to unwonted action, but the aftereffect is exhaustion, prostration, paralysis of the mental, moral, and physical powers. The mind becomes enervated, and unless through determined effort the habit is overcome, the activity of the brain is permanently lessened. All these nerve irritants are wearing away the life forces, and the restlessness caused by shattered nerves, the impatience, the mental feebleness, become a warring element, antagonizing to spiritual progress. Then should not those who advocate temperance and reform be awake to counteract the evils of these injurious drinks? In some cases it is as difficult to break up the tea-and-coffee habit as it is for the inebriate to discontinue the use of liquor.
Those who resort to tea and coffee for stimulation to labor, will feel the evil effects of this course in trembling nerves and lack of self-control. Tired nerves need rest and quiet. Nature needs time to recuperate her exhausted energies. But if her forces are goaded on by use of stimulants, there is, whenever this process is repeated, a lessening of real force. For a time more may be accomplished under the unnatural stimulus, but gradually it becomes more difficult to rouse the energies to the desired point, and at last exhausted nature can no longer respond." 
"I beseech you therefore, brethren, by the mercies of God, that ye present your bodies a living sacrifice, holy, acceptable unto God, which is your reasonable service." Romans 12:1 KJV
 Why Are God's People Sick, Pastor Andrew Henriques