Positive and negative Health Benefits of Caffeine

A new day arrives and you need a cup of coffee that recharge your energy to face a day full of work or study. But, if you did not have your coffee or any other caffeinated drink to get this effect, what would happen? If you are a compulsive or just habitual coffee drinker, you could suffer some symptoms if you stop taking it for a few days or weeks.

Coffee, the drink that can be found anywhere on the planet, whether in homes, the office, the teachers’ room, etc., is a substance called a mild stimulant by the NHS (National Health System UK). However, this drink is not without danger, because excessive consumption of coffee causes headaches and even dialysis.

A little known fact that was hidden in the public light was the Diagnostic and Statistical Manual of Mental Disorders of the American Psychiatric Association of 2013.  Where withdrawal of caffeine noted as a mental health disorder.

Caffeine withdrawal syndrome does it exist?

Psychologist Peter Rogers of the University of Bristol (UK) specializes in the effects of caffeine on our body and has no answer yet. He admits that abstinence from caffeine is an unpleasant feeling, and some people may even describe this state with symptoms similar to having a flu, with headaches.

Stopping caffeine consumption can also affect our concentration, which would temporarily impair the productivity of the person. However, these symptoms usually disappear after a few days of abstinence.

What happen in our body after first sip of coffee


Have you ever wondered: what happens in our body after the first cup of coffee? Many things happen after it begins to mix in our organism, not something is an ancestral drink full of myths, mysteries and properties.

What we cannot deny is the delicious and aromatic of all its variants. Discover 10 facts about why we like it so much … and more.

  1. The first 10 minutes: First minutes of coffee

Blood pressure increases after caffeine is mixed and released into the blood.

  1. After 10 minutes: Coffee effects concentration

Suddenly it seems easier to solve problems and easier to make decisions. Concentration has begun to increase. The adenosine receptors and caffeine connect, reducing the feeling of tiredness.

  1. After 30 minutes: Cafe effects serenity

A dose of energy is discharged, the pupils dilate, improving vision. Adrenaline is released.

  1. After 40 minutes: Coffee ready effects

The functioning of the movable neurons begins, strengthening the muscles. It increases the level of serotonin.

  1. After 4 hours: Headache cafe

Even without activity, it burns fat thanks to the release of energy; the production of gastric juices is also generated.

  1. After 6 hours: Diuretic coffee

It initiates a process of diuretic effect in which the water expels vitamins. The balance of potassium and calcium is misaligned.

  1. After 7 hours: Coffee removes headache

According to studies, an analgesic combined with a coffee can reduce an intense headache by almost 80%.

  1. After 9 hours: Cafe elimination

The process of elimination of the half of caffeine that has been consumed until that moment is practically finished.

  1. What is the best time to drink coffee? Best time to drink coffee

Scientifically, and according to the circadian rhythms, the ideal time is between 9:30 and 11:30, and from 17:30 and 18:30 hours.

  1. Long-term: Cafe helps prevent disease

Numerous studies around the world conclude that consumption of coffee – can have positive effects in the prevention of neurodegenerative diseases like Alzheimer’s, senile dementia and Parkinson’s.

Caffeine, especially in coffee, has been studied closely to determine where it may be beneficial, or in which it may cause undesirable effects.

Until not too much coffee was associated with more contraindications than benefits. However, in recent years there are many studies that focus on their positive properties for the body.

For the heart, the head, the liver …, you want to know what kind of health problems can help you solve a good cup of coffee. Here are the answers:

Positive Health Benefits of Caffeine

Parkinson’s Disease

Parkinson’s is caused by the loss of brain cells that produce a chemical messenger called dopamine. According to a researcher at the Harvard School of Public Health in Boston, people who drink coffee or consume caffeine regularly have a lower risk of developing Parkinson’s disease. The research put forth that mice that had first been given caffeine equivalent to moderate amounts of coffee. It revealed, lost fewer neurons than those that were not given caffeine.

Caffeine also appears to protect human brain cells. In a meta-analysis grouped 13 studies, regular-but not decaffeinated-coffee drinkers had a 30 percent lower risk of Parkinson’s disease than non-drinkers. There are at least six studies indicating that people who drink coffee on a regular basis are up to 80% less likely to develop Parkinson’s.

The theory is that caffeine reduces the amount of neurotransmitters produced by the brain, the transmitters that can cause damage to the surrounding brain tissue. The actual action of caffeine in the brain is not known. It can also interfere with the absorption of other transmitters, allowing dopamine levels to increase.


Nurses’ Health Study put forth that those who drank two or three cups of regular coffee a day had a 20 percent lower risk of gallstones than non-drinkers. Another research showed that compared to not drinking coffee, at least two cups a day can result in a 25% lower risk of colon cancer, an 80% fall in the risk of liver cirrhosis, and almost half the risk of Gallstones. Here, it is important to fact to remind that tea, decaffeinated coffee, and caffeinated sodas are not protective.

Caffeine has several metabolic effects that reduce the risk of gallstones. One likely explanation is that caffeine can stimulate the bladder to contract, which helps empty it of cholesterol and gallstone-forming pigments.

Mental performance

One or two cups of coffee a day can improves alertness and reaction time in people. Whether they are habitual caffeine users or not. Caffeine helps reduce physical and mental fatigue, clears up and improves concentration. Caffeine motivates the central system as it simultaneously lowers blood sugar and increases the brain’s demand for sugar. The result is a temporary elevation. But the effect of caffeine is clearly limited to the ability to maintain attention and not to improve memory or complex reasoning.

The impact seems to be greater in people with lack of sleep. French investigators accompanied by young men while driving 125 miles on a road in the early hours of the morning. When youngsters were given coffee with 200 mg of caffeine before getting behind the heel, they unconsciously crossed to another lane an average of twice during their drive. When they were given decaffeinated coffee, they crossed an average of six times.


The mood with caffeine effects depends on the amount of caffeine consumed and whether the individual is physically dependent or tolerant to caffeine. For non-users or intermittent users, low doses of caffeine (20-200 mg) generally produce positive mood effects, such as increased well-being, happiness, energy excitement, alertness, and sociability.

Among daily caffeine users, much of the positive mood effect experienced with caffeine intake in the morning after abstinence at night is due to the suppression of low quality withdrawal symptoms such as drowsiness and lethargy. Large doses of caffeine (200 mg or more) can produce negative mood effects. Although generally mild and brief, these effects include increased anxiety, nervousness, and upset stomach.

Physical performance

There is evidence that caffeine can improve physical performance. In a study of recreational athletes, consuming about five cups of coffee significantly increased muscle endurance during brief and intense exercise. Before exerting maximum effort, caffeine consumption of about three cups of coffee resulted in significantly greater anaerobic metabolism and improved sports performance among recreational runners.

Caffeine helps the body burn fat instead of carbohydrates, and dulls the perception of pain. Both can increase stamina. Physical endurance is improved in people who drive, work, swim or ride on bicycles and last longer on consumption of 200 mg to 600 mg of caffeine beforehand. New research suggests that caffeine can also improve anaerobic performance, which include lifting heavy objects and speed races over short distances.

if we look at our liver, one of the latest research developed by the National Cancer Institute in the United States, relates the habitual consumption of three or more cups of coffee with a slower progression (by 53% against Non-drinkers) of advanced liver diseases related to hepatitis C.


For those suffering migraines or pain can also be their panacea, as caffeine exerts a vasodilatory action (a mild analgesic) that relieves these symptoms, hence it is included in the composition of many painkillers. Caffeine makes analgesics 40% more effective in relieving headaches and helps the body to absorb headache medications faster, bringing faster relief.

During a headache, the blood vessels in the brain dilate or become wider. Caffeine causes blood vessels to contract, so it can reduce headaches. For this reason, many of the headache medications contain caffeine in their formula. It is also used with ergotamine in the treatment of migraine headaches and cluster headaches, as well as to overcome the drowsiness caused by antihistamines.

Cardiac Health

The results of a study published in The Journal of Clinical Nutrition put forward that moderate consumption of coffee may help prevent some cardiovascular problems. according to a study in Greece, individuals who had moderate consumption of coffee (less than 300 milligrams a day) had a lower risk of heart attack than those who took larger amounts And even those who did not consume it habitually. Coffee is full of antioxidants that are good for the heart and body. Coffee can also reduce inflammation and this also helps prevent certain heart-related diseases.

Another study published in the Annals of Medicine International magazine found that women who drink two or three cups of coffee a day have a 25% lower risk of heart disease and an 18% lower risk of developing non-cancer illness than non-drinkers.

Negative Health Benefits of Caffeine


There is a significant association between coffee consumption with caffeine and decreased bone mineral density in the hip and spine that comes with aging and leads to osteoporosis, a major cause of fractures in the elderly. There is no loss of up to 5 milligrams of calcium per six ounces of regular coffee or two cans of cola. As little as 300 to 400 mg of caffeine a day doubles the risk of hip fracture.


Blood sugar levels in people with type 2 diabetes increases if caffeine consumption in coffee, tea or soft drinks daily. That leads to challengeable efforts to control their disease. Researchers at Duke University Medical Center found that caffeine consumption raises average daily sugar levels by 8 percent. Caffeine also exaggerated the increase in glucose after meals: an increase of 9 percent after breakfast, 15 percent after food and 26 percent after dinner. This study suggests that one way to reduce blood sugar is to simply stop drinking coffee or any other caffeinated beverage.

A study published in the journal Diabetes Care indicated that diabetics who consume approximately four cups of caffeine may experience a significant increase in blood sugar. Previous studies have shown that caffeine could increase insulin resistance in the body, which leads to an increase in blood sugar levels.

Loss of sleep

Caffeine taken during the day can prevent falling asleep at night, shortening the normal duration of sleep time. Caffeine was said to block the effects of adenosine, a neurotransmitter believed to promote sleep. Caffeine also increases the number urge to urinate and interfering with deep sleep by wake up at night. This leads to poor sleep quality and fatigue during the day, which in turn triggers you to drink more caffeine in a negative feedback loop. The same caffeine drink that helps people mask their drowsiness also makes them irritable, stressful, fatigued, hostile, and less productive.

Fertility and miscarriage

Previous studies have found that at least 300 milligrams of caffeine is needed in one day to affect fertility. Low to moderate caffeine intake does not appear to reduce the chance of getting pregnant by a woman.

Several other studies have shown that women who drink one cups and a half of coffee a day had a reduction of up to 50% in fecundity. Three cups a day has been linked to early miscarriage (new evidence shows 200 milligrams as a limit). Although there are some women who conceive while drinking several cups of coffee a day and drinking throughout the pregnancy however one must remember that each of our bodies are so different and what effects one woman will have no effect on the other.

The good and bad of caffeine

Caffeine is part of modern life. Regular coffee drinkers include most adults and an increasing number of children. The recommendation for most people is to enjoy one or two cups of coffee a day, which will allow them to take advantage of their health benefits without incurring health problems. Recent exhaustive research has suggested that coffee is much healthier than it is harmful. Very little adverse and much good effects by drinking it.

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