According to a study, drinking coffee regularly can reduce body fat and lower the risk of type 2 diabetes.
The researchers used genes that determine how quickly people process caffeine to estimate the likely caffeine levels of nearly 800,000 people over a lifetime, then looked at their weight.
People with the highest estimated caffeine levels had significantly lower body mass index (BMI).
On average, they had a lower body fat percentage and were also less likely to develop type 2 diabetes.
Coffee has long been thought to burn fat and keep people leaner, while previous studies have suggested that people who drink three to five cups of coffee a day are less likely to develop type 2 diabetes.
One study found that the highest estimated caffeine levels were also less likely to develop type 2 diabetes
But the new study was needed because it was unclear whether coffee drinkers benefit from caffeine or avoid type 2 diabetes for other reasons – for example, because they are often middle class and can therefore afford a healthier lifestyle.
Recent research has gotten around this problem by looking specifically at people with genetic quirks that affect how the body processes caffeine.
The people who processed caffeine more slowly, such as regular coffee drinkers, generally had high levels of caffeine in their blood.
So when these people were found to have lower BMI, lower body fat mass and type 2 diabetes, it provided further evidence that caffeine was to blame.
Dr Dipender Gill, senior author of the study from Imperial College London, said: “These results suggest that caffeine is associated with a lower body mass index, less body fat and a reduced likelihood of developing type 2 diabetes. be connected.
“It can improve people’s metabolism, although that doesn’t mean people should start drinking lots of high-calorie caffeinated drinks like chai lattes.”
“If there is more evidence from larger studies in the future, it may indicate that people should consider drinking espresso or black coffee to reduce their risk of type 2 diabetes.”
The study, published in the journal BMJ Medicine, looked at people with variations in the CYP1A2 and AHR genes, which meant they cleared caffeine at different rates.
People who break down caffeine more slowly, meaning they likely had higher levels in their blood, had a lower risk of developing type 2 diabetes.
The analysis found that about half of these people’s reduced risk of type 2 diabetes could be explained by their lower body mass index.
Being thin reduces your risk of getting the disease, which affects one in 10 people over 40.
There is evidence that caffeine causes the body to burn more of its stored fat, or that people simply feel full and eat less.
An average cup of coffee contains about 70 to 150 mg of caffeine, and there is evidence that a daily intake of 100 mg can increase energy expenditure by about 100 calories per day.
However, coffee also contains other compounds, such as B. diterpenes, which may be less beneficial for metabolism.
The study found that people with higher estimated caffeine levels, based on their genes, were not less likely to develop serious cardiovascular diseases, such as stroke and heart failure.
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Crystal Leahy is an author and health journalist who writes for The Fashion Vibes. With a background in health and wellness, Crystal has a passion for helping people live their best lives through healthy habits and lifestyles.
