Despite the conflicting studies .. Is drinking coffee and tea useful or harmful?
Despite the conflicting studies .. Is drinking coffee and tea useful or harmful?
There are a number of studies and medical research conducted on coffee, between studies that talk about the damage and other studies on the benefits, which makes you stand pregnant .. Is drinking coffee and tea useful or harmful?
Dr. Karim Gamal, Nutritionist, Obesity and Thinness Specialist, said that all the studies conducted on drinking coffee and tea are true despite their inconsistencies and differences, explaining that everything has benefits and damages, and it varies according to the use and time.
Coffee and tea contain beneficial phytochemicals to stimulate heart health, prevent stroke and regulate the functioning of the digestive system, but these benefits can become harmful when over-eating or drinking coffee and tea on an empty stomach.
He stressed that caffeine stimulant helps to focus, but excessive use leads to addiction, especially that caffeine is the most substances that are addictive in the world more than heroin and drugs.
As for the best rate of coffee, Dr. Karim Jamal explained that eating 3 cups of coffee or 300 mg of caffeine per day according to your body's response to caffeine, adding that you can drink 2 cups of tea with 2 cups of coffee, the maximum daily so as not to turn the benefits of tea and coffee to damage.
Dr. Karim Jamal pointed to the harmful effects of drinking American coffee in large cups, because drinking a large dose of caffeine once causes great damage such as: insomnia, lack of concentration, jaundice, heart arrhythmias, gastrointestinal problems, gastritis and ulcers.
He explained that it is wrong to drink coffee and tea after eating directly because it prevents absorption of iron in food, adding that the habit of drinking tea after eating harmful habits, despite the benefits of tea to contain antioxidants, but the "tannin" in tea prevents the absorption of useful substances In food, so do not drink tea or coffee after food or on empty stomach
Study on the benefits of coffee
A recent study at Alfred Hospital in Melbourne, Australia, advised coffee and tea lovers to take 3 cups daily to reduce the chances of irregular heartbeat and stroke.
Research shows that one cup of coffee contains about 95 milligrams of caffeine, which acts as a stimulant of the central nervous system, and neutralizes the effects of adenosine, a chemical that causes atrial fibrillation "irregular heartbeat".
"Caffeine is a common cause of heart attack problems," said Dr. Peter Kistler, director of Alfred Hospital. "Caffeine-containing beverages like coffee and tea have long-term anti-ATF properties with anti-oxidant effects."
Another study of 103 patients after a heart attack with 353 milligrams of caffeine a day showed an improvement in heart rate and no acute arrhythmias
Studies on the damage of coffee and tea
Studies have shown that coffee increases the acidity of the stomach. Coffee may have an adverse effect on the person. He may feel insomnia and this varies from person to person, trembling of the limbs, increased tension and anxiety, high blood pressure and a desire to urinate.