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Coffee is one of the most popular and consumed beverages around the world. In Germany, for example, it comes at the top of the list of drinks most consumed with 162 liters per year per person. And coffee and its preparation are many types and methods, and it has its benefits and harms. According to the study, drinking more than 6 cups of coffee per day increases the risk of heart disease by 22 percent. "About 3 billion cups of coffee are consumed daily around the world. Knowing the limits and what is beneficial and harmful is essential," says Professor Elena Heubenen, who was involved in the study. "It is about, as in many things in life, knowing the right amount that, if a person exceeds it, damages his body." The study indicates that consuming an excessive amount of caffeine increases the risk of developing high blood pressure, which in turn may lead to other heart diseases. It should be noted that the consumption of 400 milligrams of caffeine is not harmful to health for an adult in good health, according to the website of the well-known German “Stern” magazine, which indicates that the percentage of caffeine is related to the quality of coffee, roasting, concentration and method of preparation, in addition to the length, body weight and health status of the person. .

The wildlife in the continent of Africa is characterized by an amazing animal diversity, and all animals live in ecological patterns surrounding the sea and islands, which make it a place for breeding, and the discovery of new species, and over the years the continent of Africa has been a center of animal diversity, and the greater half of the diverse differences of wildlife are found in Southern Africa