How coffee could be the secret to fighting obesity

Coffee can be the secret to fighting obesity, while scientists discover that they drink a cup every day & # 39; stimulates weight loss & # 39;

  • Researchers in Nottingham tested the effects of caffeine on nine people
  • They had already successfully tested their theory of human cells in a lab
  • It was found that coffee increases the activity of brown fat, which burns sugar and fat
  • Caffeine is believed to have the beneficial effects

Drinking coffee can help people lose weight and prevent type 2 diabetes by having the body burn extra calories, researchers said.

A cup of hot drink could put someone's brown fat in action, they said. "Brown fat is active tissue that burns sugar and fat from food to warm up the body.

This is different from white fat, which makes people look too heavy. This is food that is stored by the body when people eat more energy than they use.

Caffeine is thought to be the part of coffee that burns the body's calories, but the scientists believe more research is needed.


More than two thirds of adults in the UK are overweight and about 3.4 million people, one in 20, have type 2 diabetes, which can lead to a stroke or heart disease.

Researchers think it is caffeine in coffee that triggers brown fat reserves and activates the body's fat and sugar burning process, possibly leading to weight loss (stock image)

Researchers think it is caffeine in coffee that triggers brown fat reserves and activates the body's fat and sugar burning process, possibly leading to weight loss (stock image)

Researchers from the University of Nottingham tested their theory about nine healthy volunteers after discovering it had worked in a laboratory.

People were on average 27 years old and had to refrain from physical exercise, drink caffeine or drink drugs or alcohol nine hours before the tests.

They were then given a cup of Nescafé instant coffee, or water in an experiment to compare, and their bodies scanned while the caffeine effects came in.

& # 39; From our previous work we knew that brown fat is mainly in the neck area & # 39 ;, said Professor Michael Symonds.


& # 39; So we could introduce someone immediately after they had drunk something to see if the brown fat became hotter.

& # 39; The results were positive and we must now conclude that caffeine is one of the ingredients in the coffee that acts as a stimulus or that there is another component that helps in the activation of brown fat. & # 39;

The thermal scans showed that the brown fat of the people in their neck became hotter when they drank the coffee, and showed that it worked to burn calories.


Scientific studies on the health effects of coffee are being done all the time and have claimed in the past that the drink provides quite significant health benefits.

Reduces risk of early death


Research by the National Cancer Institute in the US last year found that people who drank six or seven cups of coffee every day over a ten-year period were 16 percent less likely to die from the disease than those who did not.

Less chance of depression

Another study, conducted by the Harvard School of Public Health, found that women who drank four or more cups of coffee a day were 20 percent less likely to suffer from depression.

Women have a higher pain threshold

British scientists from Goldsmiths, University of London, found women who drank coffee – 250 mg caffeine to be precise – tended to have a higher pain threshold than those who didn't.


Lower type 2 diabetes

The Institute for Scientific Information on Coffee said last year that nearly 30 studies of nearly 1.2 million people had swallowed three or four cups of coffee a day that could reduce the risk of type 2 diabetes by 27 percent.

Until now, the scientists said no one had found an easy and safe way to stimulate brown fat in action.

It was unclear from the study whether a single cup of coffee & m 39 morning would be enough to make it low in calories all day, or whether people should drink it more often.

However, the researchers wrote that caffeine can cause fat burning & # 39; in doses compatible with human use & # 39 ;.


Unlike white fat, a visible accumulation that results from eating too many calories, brown fat is a functional tissue that serves to warm the body by burning fuel – it is found in large quantities in babies & # 39 and hibernating animals such as bears.

Brown fat may have been called confusing and is actually found in larger quantities in lean people.

It is also more common in childhood – it makes up about five percent of a baby's body mass, but it was thought that it would disappear before adulthood. Scientists have recently discovered that adults retain small stores, usually around their necks.

& # 39; This is the first human study to show that something like a cup of coffee can have a direct effect on our brown fat functions & # 39 ;, said Professor Symonds.

& # 39; The potential implications of our results are quite large because obesity is a major health risk to society and we also have a growing diabetes epidemic and brown fat may be part of the solution to address them. & # 39 ;

The team also discovered that when brown fat was activated, the body was better able to regulate the amounts of sugar and fat in the blood.

This improvement in blood glucose monitoring can help to protect people from type 2 diabetes, which affects around 90 percent of more than 3.8 million people in the UK with diabetes.

Professor Symonds and his colleagues will continue their work to find out if other sources of caffeine can have the same benefits.

Their research was published in the journal Nature: Scientific Reports.


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