Both coffee and cola contain caffeine, which really has a refreshing effect. However, excessive caffeine intake will have an impact on the heart and other organs, causing rapid heartbeat, dizziness, nausea, vomiting and other phenomena, which is harmful to the body. If children consume too much caffeine, it will also affect the nervous system and may lead to memory loss. These two drinks are not suitable for drinking.
Carbonated drinks such as cola contain many acidic substances, which have corrosive effects on teeth, and also cause the body to absorb calcium and increase the risk of fracture. Teenagers in skeletal development should drink less and should not smoke when drinking coffee. The ingredients in coffee and some ingredients in smoke can produce carcinogens, and people suffering from hypertension, heart disease, diabetes and iron deficiency pelvic blood should not drink coffee.
coffee
1, the benefits of coffee
Coffee beans contain about 100 different substances, including caffeine, tannic acid, oil and nitrogen compounds. Every100g of instant coffee contains 44 ~100g of caffeine; Every 100g of brewed coffee contains 64 ~ 124mg of caffeine. Coffee is a stimulant and has many effects on human body. It can induce diuresis, stimulate the central nervous system and respiratory system, dilate blood vessels, accelerate the heartbeat, enhance the strength of striated muscles and relieve brain and muscle fatigue.
2. Disadvantages of coffee
(1) People who are used to drinking a lot of coffee will have symptoms such as headache, irritability, muscle tension and nervousness when they stop drinking coffee, and the symptoms will disappear after taking caffeine.
(2) Women during pregnancy and lactation should drink coffee in moderation, because caffeine will penetrate into the placenta and appear in breast milk.
(3) Drinking coffee will arouse people's mental excitement, and caffeine will affect sleep within 4 hours after coffee.
cola
Coke can relieve fatigue. Coke contains caffeine. Caffeine can temporarily dispel drowsiness and restore energy, and is clinically used to treat neurasthenia and coma resuscitation. Caffeine can improve the sensitivity and attention of the human body, accelerate the metabolism of the human body, improve the mental state and physical quality of the human body, and thus eliminate fatigue.
Improve liver function. The results show that patients with chronic liver diseases such as hepatitis or cirrhosis will improve their liver function if they drink more than one coke a day.
Drinking a cup of coke after a meal can effectively whiten the skin. Coke can also promote cardiovascular circulation. ?
After hangover, drinking cola wine can quickly oxidize acetaldehyde converted by alcohol, decompose it into water and carbon dioxide and excrete it.
Prevention of cardiovascular diseases. People with low blood pressure can get better by drinking a coke every day. In the process of drinking cola, it will also produce an antioxidant compound, which is helpful for anti-cancer, anti-aging and even prevention of cardiovascular diseases, and can be comparable to fruits and vegetables. ?
References:
Baidu Encyclopedia: Coffee and Coke