A cup of coffee: a benefit for many a drug for all
A cup of coffee is a real ritual that takes place daily. Coffee beans are the seeds of an evergreen plant belonging to the family of Rubiacae.
What biological effects are produced by the coffee?
The biological effects induced by coffee are caused by the presence of caffeine, a natural alkaloid also present in fruits and seeds of other plants such as tea, cocoa and chocolate. After ingestion, caffeine is absorbed from the stomach and intestine. After about an hour after ingestion is a maximum blood level, going to act on target organs. It was first an increase in blood pressure and heart rate for the number. Secondly, caffeine causes an increase in stomach acid secretion and mobilization of fatty deposits, thus giving the body more energy for a prolonged muscular effort.
Does the coffee help to lose weight?
For the diuretic and the increased metabolism, coffee can be considered a slimming food. The increased adrenergic activity and the resulting thyroid stimulation induces an increase in basal metabolic rate, with higher consumption of glucose and fat storage.
What does it mean when we say the coffee makes people nervous?
Caffeine in combination with caffeic acid and chlorogenic acid, a substance nervine make the coffee, as it acts on the nerve centers. This nerve stimulation induces an increase in mental faculties, facilitates the perception of sensory stimuli, reduces some states of headache and migraine, reduces sleepiness, boredom, mental and physical fatigue and depression.
How long do the effects of caffeine?
The physiological effects induced by caffeine may persist for several hours up to a maximum of twelve hours, depending on individual tolerance.
How much coffee you can drink during the day?
In a healthy subject, three coffee a day are normally acceptable dose. In the morning, a cup of coffee increases the adrenergic tone, while after lunch counters the reduction of supervision, typical of a slow and laborious digestion. A third coffee can exercise taken in mid-afternoon, especially in individuals who need to support the nervous tone until the evening.
It hurts to drink coffee at night?
Paradoxically, in some subjects such as coffee in the evening works as a sleep inducer. In fact, if the adrenal activity and the nervous system are not particularly reactive, the body takes advantage of the sedative effect of tannins found in coffee.
Coffee and digestive function
Sympathicotonic per share and vasomotor nerve stimulation, coffee favors the secretion of gastric juices and stomach emptying, particularly suitable forms of hypochlorhydria and gastric atony, and in individuals with dyskinesias and spasms of the intestinal smooth muscle should be used sparingly .
Coffee and headache
In patients whose headache is caused by a disturbance of vasomotor intracranial circulation, with increased pressure and wetting of the nervous tissue, coffee reduces the painful symptoms of headache due to its diuretic action vasotonic and reducing the liquid contained. On the contrary, in cases where the headache depends on the conditions liver, coffee leads to a worsening of clinical status by increasing the catabolites can cross the blood-brain barrier.
Coffee and cardiovascular system
Caffeine maintains the arterial tone and improves circulation of the coronary arteries, without affecting much of the pressure in the healthy subject. Coffee causes dilation of the bronchi and the enhancement of pulmonary ventilation.
Why is it always nice to smoke a cigarette immediately after breakfast
The coffee stimulates the adrenergic system on the whole body, creating a partial alteration in the balance of the autonomic nervous system. The nicotine present in cigarettes, mimicking the parasympathetic activity of acetylcholine, an antagonist results in a rapid rebalancing of the nervous equilibrium. For the same reason the cigarette is often welcome after a sexual orgasm, just to balance the physiological tone of the autonomic nervous system, altered by the release of adrenaline following the attainment of sexual intercourse.