What Is Coffee Coffee is a brewed drink prepared from roasted coffee beans, the seeds of berries from certain Coffea species. Once ripe, coffee berries are picked, processed, and dried. Dried coffee seeds (referred to as "beans") are roasted to varying degrees, depending on the desired flavor. Roasted beans are ground and then brewed with near-boiling water to produce the beverage known as coffee. Coffee is darkly colored, bitter, slightly acidic and has a stimulating effect in humans, primarily due to its caffeine content.
What Is Caffeine Caffeine is bitter substance which occurs naturally in over 60 plants, including: coffee beans , tea leaves, kola nuts , also in dark chocolate , chocolate bars , milk chocolate , energy drinks and etc. Caffeine is added to other foods, drinks and medicines too.
How Caffeine Affects the Brain Caffeine is addictive because of the way that the drug affects the human brain and produces the alert feeling that people crave. Soon after caffeine is consumed, it’s absorbed through the small intestine and dissolved into the bloodstream. Because the chemical is both water and fat-soluble, it’s able to penetrate the blood-brain barrier and enter the brain.
Signs of a Caffeine Addiction You get a headache if you miss a cup. You're super grumpy before You can't concentrate without caffeine. You need more and more coffee for the same effect. You feel nervous or anxious. You can't bear the thought of giving up coffee.
Benefits of Caffeine Mood At 250 mg., some people report an improved sense of well-being, happiness, energy, alertness and sociability. Concentration Studies suggest that caffeine can help you perform a variety of cognitive tasks, such as recognizing visual patterns, more quickly. Performance Some sources note that caffeine allows athletes to exercise for longer durations without hitting exhaustion. Although the mechanism is not yet known, caffeine affects the utilization of glycogen during workouts (the main fuel for muscles). Reduced Muscle Pain Faster Effects of Medication Diabetes Prevention Coffee contains minerals and antioxidants which help prevent diabetes.
Disadvantages Of Caffeine Cardiovascular Problems Approximately 4 cups of coffee or a beverage with equivalent amounts of caffeine can raise blood pressure for many hours. The measured blood pressure levels are associated with increased risk of cardiovascular disease. Stress Caffeine consumption in the early morning affects the body until bedtime, amplifying stress levels throughout the day. Caffeine increases stress hormones. Emotional Disturbances When more than 2g. of caffeine enters the body, the heart becomes stimulated and blood vessels dilate. Shortly after, blood pressure increases, causing bronchial relaxation in the lungs and increased breathing. Aging Caffeine tolerance may decrease with age. Nervousness Restlessness Insomnia Difficulty relaxing
How to Cut Back Coffee Count your caffeine Cut back slowly Change up "the usual" and choose a different coffee drink Drink water Drink black tea Drink green tea Exercise