Coffee in the morning is better than sugary juice.

A cup of coffee in the morning may be better than a cup of sugary juice, at least for type 2 diabetes, which has attracted a lot of attention, the study found.

The exact reason why coffee reduces the risk of diabetes is unclear, but one possibility is that certain ingredients such as magnesium or chlorogenic acid in coffee improve the body's ability to regulate blood sugar. In addition, the metabolic stimulation of caffeine may help control weight. When the body loses its sensitivity to insulin, the risk of type 2 diabetes increases. This disorder is closely related to obesity. People who drank sugary soft drinks and fruit juices had a higher risk of obesity and diabetes than coffee drinkers.

The Johns Hopkins findings are based on a survey of 12204 middle-aged people in the United States. These people were followed between 1987 and 1999, and none of them had a history of diabetes at first. The researchers questioned the participants' diet in detail and found that coffee drinkers still had a lower risk of developing type 2 diabetes after taking into account other influencing factors. Those who drank four or more cups of coffee a day were diagnosed with diabetes only if they drank four or more cups of coffee a day. But the researchers say more research is needed to determine whether coffee itself has a real impact on the risk of diabetes.

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