Drinking coffee and tea is usually associated with food pleasure. On the other hand, coffee and tea are used for stimulation, as psychoanaleptics. At https://antiage.click/en/welltory-en at the bottom of the page you can download a stress test application and measure your current stress level. 100 g of coffee contains 25-100 mg of caffeine. Tea contains 15-50 mg of caffeine per 100 g of drink. Black tea has slightly more caffeine than green tea. Unlike coffee, tea does not have the theobromine effect.
Action of caffeine
Caffeine accelerates metabolism, secretion, peristalsis, increases urination, increases dopamine and adrenaline levels, activates the central nervous system, stimulates cognitive activity, increases muscle tone and endurance, improves mood. Moderate consumption of coffee and tea acts as a painkiller, helping with muscle pain, reduces the risk of liver cancer, diabetes, Alzheimer’s disease and can alleviate Parkinson’s disease. For those wishing to avoid negative effects on the body, the permissible dose of caffeine is 150 – 400 mg per day.
When consuming caffeine, adenosine receptors are blocked. As a result of blocking adenosine receptors, a person feels vigorous, increased physical and mental performance. Adenosine receptor blockers also include theophylline, found in cocoa and chocolate, mateine (Paraguayan holly), guaranine (guarana), and other similar substances. Molecules of adenosine, caffeine, theophylline, etc. are similar.
Caffeine and similar adenosine receptor blockers are found in coffee, tea, cocoa, hot chocolate, soft drinks, energy drinks, products containing cocoa or chocolate, over-the-counter medications, dietary supplements, and sports nutrition.
Coffee and tea addiction
From a medical point of view, caffeinism is considered a form of substance abuse – caffeinophagia. Caffeine addiction is characterized by a syndrome of mental and physical dependence on caffeine-containing tea and coffee. If there is no addiction to coffee, then there is such a type of caffeinism as theism (from Latin thea), which is characterized by mental and physical dependence on tea.
You should pay attention to dependence on coffee or tea if you observe such symptoms as: sleep disturbance or deterioration and the process of falling asleep, insomnia, increased blood pressure, increased heart rate, fear and anxiety for no apparent reason, irritability and confusion of thoughts, if you miss a drink, when anticipation, preparation, drinking coffee cause bright positive emotions, and the headache goes away immediately after a cup of coffee.
Consequences
Caffeinism leads to the development of atherosclerosis, tachycardia, arrhythmia, hypertension, digestive disorders, nausea, vomiting, acid reflux, irritable bowel syndrome, stomach ulcers, constipation, diarrhea, hemorrhoidal phenomena, cardiovascular problems, chronic forms of insomnia.
As with drug addiction, caffeine addiction and theism have an abstinence syndrome: nervousness, irritability, insomnia, unreasonable anxiety, indecisiveness, suggestibility, timidity, suspiciousness, drowsiness, weakness, fatigue, tiredness, lethargy, agitation (hyperexcitation), depression, slowness and confusion of thinking, deterioration of attention, constant headaches, migraines, dizziness, rapid heartbeat, bouts of nausea, convulsions, tremors, shaking and hyperreflexia (twitching of muscle fibers). The abstinence syndrome when canceling caffeine lasts from 2 to 7 days.