Coffee, or coffee drinks, are not necessarily a good source of nutrients.
Coffee is a non-nutritive sweetener that has been around for centuries and can have health benefits.
But the scientific research does not support the idea that coffee is a beneficial beverage.
And a new study from the National Institutes of Health finds that coffee consumption could be linked to a number of health problems.
“I don’t think it’s the healthiest coffee,” said Dr. Jennifer Cote, a professor of epidemiology and public health at the Johns Hopkins Bloomberg School of Public Health.
Cote said a study published in the American Journal of Public Nutrition showed that a cup of coffee could have as much as 1,200 calories of added sugar.
She added that a regular cup of non-energy coffee has about 10 calories of fat, with no added sugars.
A regular cup could also contain about 400 mg of sodium.
The NIH study, led by Cote and her colleagues, looked at more than 5,000 adults ages 18 to 79.
They found that those who drank four cups of coffee per day were more likely to be overweight than those who didn’t.
Those who drank a daily cup of caffeine were also more likely than those not to have diabetes or cardiovascular disease.
The researchers noted that a caffeine-free diet was associated with higher body mass index, which is the percentage of a person’s weight that is fat or lean.
Those with a normal diet, on the other hand, were less likely to have body mass.
Coffee’s caffeine levels are a concern because it’s known to stimulate the production of a hormone called epinephrine, which increases heart rate and blood pressure.
Crote said that caffeine is often associated with “caffeine addiction,” which is when people stop taking it because of a lack of benefits.
She said that the study suggests that people should focus on a low-energy diet and coffee as a source of nonfat, non-sugar drinks.
“It’s one of those things that has become an industry,” she said.
She noted that studies have found coffee can increase insulin levels and lower blood pressure, which may help prevent some cardiovascular problems.
Dr. David Kowalczyk, a Harvard professor of medicine and director of the Harvard Heart Program, said it’s important to understand how coffee affects the body and that the findings could have implications for diabetes prevention and treatment.
“This is an area that we need to study further, so we have a better understanding of the effects that coffee has on the body,” Kowalkiewicz said.
“But this is not the first time that we’ve found that coffee can contribute to diabetes.”
A new study also found that caffeinated coffee may increase blood pressure in people with type 2 diabetes.
The study, published in Diabetes Care, looked specifically at coffee drinkers who had type 2.
Kowalykiewicz said the findings of this study “have implications for the way we treat patients with type 1 diabetes, because people who drink coffee have a higher risk of developing type 2.”
The researchers also found evidence that coffee intake was linked to higher blood pressure levels in people who had high blood pressure and diabetes.
“That’s a significant association, and it’s not just because of coffee,” Kowealykowski said.
The American Diabetes Association, which promotes healthy lifestyles, does not endorse the consumption of coffee.
“Coffee is an important part of the American diet,” said Karen Osterholm, an associate director for health promotion and communications for the association.
“People can do their part to reduce their risk of diabetes and cardiovascular disease by reducing their consumption of caffeine.”
The study was funded by the National Institute of Diabetes and Digestive and Kidney Diseases.
The Associated Press has contacted Dr. John Rieckhoff, the chair of the department of preventive medicine and chief of cardiology at Harvard Medical School, for comment.