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A moderate amount of coffee or other caffeinated beverages is hydrating, although not as hydrating as plain water. (Pixabay photo)
Coffee is a daily ritual for many adults around the world, serving as a source of comfort and energy. The complex interplay of caffeine’s effects on our bodies has intrigued both scientists and enthusiasts alike. Let’s explore the history, benefits, and potential downsides of this beloved beverage.
“Did you know that most adults across the world have a psychoactive stimulant daily?” my son asked me.
He was crafting the opening line for a speech for his class. My teenage son’s inquiry certainly piqued my interest.
The stimulant was nestled in the cup I held: my morning coffee.
Caffeine is a central nervous system stimulant used daily by many across the globe. The term “psychoactive” refers to substances that impact the mind.
This stimulant naturally occurs in certain foods, including coffee beans, cocoa beans, and tea leaves, and is added to energy drinks and soft drinks as a “Generally Recognized as Safe” food additive.
Like many, I sometimes find myself in need of an energy boost, especially in the morning. At the time of my son’s speech, I was balancing the demands of raising three children while working full-time.
In fact, I still rely on that morning pick-me-up.
According to popular lore, the discovery of coffee beans dates back to a goat herder in Ethiopia who noticed his goats frolicking energetically after nibbling on berries. Curious, he brought some to a monastery, where the monks used them to stay awake during night prayers.
The practice of consuming these invigorating berries spread across the Arabian Peninsula to Europe and Asia, eventually leading to the boiling of roasted, ground berries in hot water.
Caffeine serves purposes beyond just alleviating morning drowsiness. It is approved for use as an intravenous treatment in addressing apnea in some premature infants.
Some find caffeine beneficial for alleviating migraine headaches when combined with pain relievers, while athletes sometimes utilize it to enhance endurance in sports. It’s wise to consult a healthcare provider before incorporating it into any treatment regimen. Researchers are also investigating its potential role in managing depression and cognitive decline.
Research suggests that coffee consumption may help reduce the risk of certain diseases, including diabetes and specific cancer types.
In essence, that familiar cup of coffee may not just be harmless; it might actually contribute to better health.
However, moderation remains crucial. Excessive caffeine intake can lead to adverse effects. Studies indicate that up to 400 milligrams per day is a safe level for most individuals.
A typical 12-ounce coffee contains between 110 to 250 milligrams of caffeine, depending on the brewing method, with light roasts typically containing more than dark.
While a moderate amount of coffee or other caffeinated drinks can provide hydration benefits, it’s worth noting that they are not as hydrating as plain water. Excessive caffeine may lead to an increased need for urination.
If you’ve ever consumed too much caffeine, you may be familiar with its side effects, which can include restlessness, irregular heart rates, and gastrointestinal upset. In severe cases, excessive caffeine intake may lead to hallucinations, heart arrhythmias, and other serious effects.
If you choose to reduce your caffeine consumption, it’s best to do so gradually to avoid withdrawal headaches and other symptoms that can accompany even moderate use.
Since bouncing around like an overly caffeinated goat isn’t conducive to my work, I stick to my 12-ounce cup of coffee and then switch to water.
This recipe and nutrition analysis come courtesy of the Iowa State University Extension’s “Eat Smart. Spend Smart” program. Enjoy a cup of coffee alongside this treat for a mid-morning boost.
Cranberry Oatmeal Bars
1 cup dried cranberries
3/4 cup brown sugar
1/2 cup oil (canola or vegetable)
2 eggs
1 1/2 cups all-purpose flour
1 1/2 cups quick cooking oats
1 teaspoon baking powder
1/4 teaspoon salt
Optional: 1/4 cup chopped nuts (pecans, walnuts, etc.)
Preheat the oven to 350°F. Grease a 9- by 13-inch baking pan with nonstick spray. Finely chop the cranberries. In a large mixing bowl, whisk together the brown sugar, oil, and eggs using an electric mixer or a whisk. In a separate medium bowl, mix the flour, oats, baking powder, and salt. Combine the dry ingredients with the wet ingredients until well blended. Incorporate the chopped cranberries and nuts, if using. Spread the mixture evenly in the prepared pan and bake until lightly browned and the center is set (about 20 minutes). Allow to cool completely before cutting into 24 squares.
Makes 24 servings. Each serving contains 140 calories, 6 grams of fat, 2 grams of protein, 21 grams of carbohydrates, 1 gram of fiber, and 55 milligrams of sodium.
(Julie Garden-Robinson, Ph.D., R.D., L.R.D., is a North Dakota State University Extension food and nutrition specialist and professor in the Department of Health, Nutrition, and Exercise Sciences.)
Key Takeaways
- Caffeine is a widely consumed psychoactive stimulant found in coffee, tea, and certain foods.
- Moderation is crucial; up to 400 mg of caffeine daily is generally regarded as safe.
- Excessive caffeine can lead to adverse effects, including restlessness and gastrointestinal disturbance.
- Coffee consumption may be linked to a reduced risk of certain diseases, including diabetes and some cancers.
- The hydrating effects of coffee are less than that of plain water.
- When reducing caffeine intake, do so gradually to avoid withdrawal symptoms.
FAQ
How much caffeine is safe to consume daily?
Up to 400 milligrams per day is generally considered safe for most adults.
Does coffee dehydrate me?
While coffee provides some hydration, it is not as hydrating as plain water. Excessive consumption can have a diuretic effect.
Can caffeine help with headaches?
Some individuals find caffeine beneficial in treating migraines, especially when combined with pain relievers. Consult a healthcare provider first.
Are there negative side effects of too much caffeine?
Yes, excessive caffeine can lead to restlessness, irregular heart rates, and even severe effects like hallucinations.
