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Nutritionists help you analyze the advantages and disadvantages of coffee

Published: 2026-08-23 Author: World Gafei

Last Updated: 2026/08/23, We often see articles about coffee. Some studies talk about many of the benefits of coffee, while others point out the harm of coffee. This seems paradoxical: how can coffee prevent disease and cause health problems?

We often see articles about coffee. Some studies talk about many of the benefits of coffee, while others point out the harm of coffee. This seems paradoxical: how can coffee prevent disease and cause health problems?

To know the answer to this question, you must consult a nutrition expert.

In fact, there is a lot of seemingly contradictory evidence that coffee is good for health. Susan Mitchell, an American nutritionist, believes that first of all, nutrition science is a relatively young research field, and coffee is a drink with complex ingredients, so its ingredients do exist in some cases that are beneficial to health and some harmful to health.

Rob Vandam, who studies epidemiology at Harvard University and the National University of Singapore, said it is interesting that people regard coffee as a "carrier" of caffeine. People often equate coffee with caffeine, but coffee also contains many vitamins, minerals, antioxidants and flavonoids. These can be found in some fruits and vegetables, so coffee can sometimes be seen as a plant product.

Negative news about coffee:

Unfiltered coffee is not suitable for drinking

This refers to Turkish coffee and coffee made from French filter pots. According to Rob Vandam, unfiltered coffee contains a substance called coffee oil alcohol, which can raise cholesterol levels in the body. People are more likely to have a heart attack if they drink this coffee all day, but the body can afford it if they use a filter, drink instant coffee, or drink less unfiltered coffee. Eating too much coffee oil every day will raise the body's cholesterol levels.

The caffeine in coffee is bad for your health during pregnancy.

Rob Vandam warns that consuming too much caffeine can damage the health of the fetus. The fetal metabolic system can not metabolize caffeine well, and their bodies cannot allow caffeine to break down in the blood, which will affect the normal absorption of nutrients in the fetus.

Coffee with a lot of cream and sugar is not good for health

Some of the coffee sold in coffee shops is large and mixed with a lot of cream and sugar. This kind of coffee is high in calories and needs to be noted.

Positive news about coffee:

Coffee has been found to be effective in preventing many common diseases

Moderate coffee consumption (1 to 3 cups a day) has been found to reduce the risk of heart disease, especially in women. Some studies have shown that coffee can reduce the risk of endometrial cancer, prostate cancer and breast cancer. Coffee can also prevent Parkinson's disease.

Coffee has been found to reduce diabetes risk

Rob Vandam says there are more than 35 different studies on coffee and diabetes today. The results of these studies are more fixed, that is, people who drink more coffee are less likely to develop diabetes. There is little disagreement on this conclusion, which is the most obvious benefit that coffee drinkers should think of.

Coffee can also reduce the risk of depression

Women who drank two to three cups of coffee a day were less likely to develop depression than those who drank only one cup of coffee a day.

So the answer to the question should be: coffee is good or bad. If you don't like coffee, you will see that the claims about the benefits of coffee are not strong enough to force you to drink; if you like coffee, the examples of the disadvantages of coffee are not enough to make you decide to quit coffee.

Rob Vandam believes that people who like to drink coffee and have no particular health problems do not need to consider suddenly changing their habits to quit drinking coffee. According to current research, the amount of four or five cups of coffee a day is within the health range.

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