Elevated creatins are a hallmark of the metabolic syndrome, but the link between coffee drinking and increased risk of developing it remains unclear.

Researchers from The University of Texas Southwestern Medical Center in Dallas used data from the National Health and Nutrition Examination Survey to analyze the associations between coffee consumption and elevated creatins.

They found that drinkers of caffeinated beverages had higher levels of elevated creatines than those who drank no caffeinated beverage.

But when researchers looked at coffee’s effect on elevated creatina, they found that the effect was not the same as coffee’s.

Rather, creatinins are elevated when they’re produced during anaerobic metabolism.

Coffee does not cause anaerobes, a process in which a body’s aerobic system can produce only two or three energy substrates — glucose and water — at a time.

This allows the body to produce oxygen for its cells and organs, and the body has the capacity to make enough oxygen for a short period of time without needing to consume additional fuel.

The increased oxygen availability is called “oxygenation.”

The amount of oxygenated blood circulating in the blood is also higher when coffee is consumed.

Caffeine increases the production of these oxygenated cells, and this leads to a rise in creatinin levels.

The study authors say that the increased level of creatinino is linked to higher levels in blood, and is an indicator of metabolic dysfunction.

But the exact mechanisms of how coffee may affect the metabolic system remain unknown.

Dr. Joseph T. Schaffner, an assistant professor of medicine and director of the Center for Metabolic and Cardiovascular Disease at Texas A&M University Health Science Center in Galveston, said the research is interesting because it suggests that caffeine might be linked to elevated creatino in people who have diabetes or other metabolic conditions.

“Coffees have been linked to increased creatinina in diabetes patients, but that relationship is not causal,” he said.

“There is no evidence that caffeine causes the increased creatino.”

The findings could also apply to people who drink alcohol, said Dr. David R. Miller, a professor of pediatrics at Baylor College of Medicine in Houston who was not involved in the study.

He said the study is promising, but needs to be replicated in larger populations before it can be applied to other populations.

“There are many things that could be done that we don’t know about,” Dr. Miller said.

“This study was interesting, but it needs to have larger and more randomized controlled trials.

The best way to understand what is going on is to do large population-based studies.”

The study was published in the January issue of the journal Diabetes.