TEXAS – A new study from researchers at Texas A&M University suggests coffee may do more than give people a morning energy boost, it could help slow aging and protect against chronic disease.
Scientists with the Texas A&M College of Veterinary Medicine and Biomedical Sciences say they’ve identified a biological pathway that may explain why coffee has long been linked to longer life and lower risks of diseases like cancer, Alzheimer’s and Parkinson’s.
Recommended Videos
The research, recently published in Nutrients, focuses on a receptor in the body known as NR4A1, described by researchers as an “aging protective gene” that helps the body respond to stress and damage.
“We think we linked how coffee might work and that wasn’t known before,” said Stephen Safe, distinguished professor and Sid Kyle Endowed Chair in Veterinary Toxicology. “Coffee can work on many different mechanisms and we think we’ve identified a major mechanism.”
Researchers found compounds in coffee, particularly polyphenols and caffeic acid, can activate the NR4A1 receptor. According to the study, that activation may help reduce cellular damage and slow cancer cell growth in laboratory models.
“If you damage almost any tissue, NR4A1 responds to bring that damage down,” Safe explained. “If you take that receptor away, the damage is worse.”
Scientists say the findings may help explain why coffee has consistently been associated with lower risks of neurological disorders, metabolic disease and some cancers in population studies.
The study also suggests caffeine itself may not be the main reason coffee provides health benefits.
“Caffeine binds the receptor, but it doesn’t do much in our models,” Safe said. “The polyhydroxy and polyphenolic compounds are much more active.”
That could explain why both regular and decaffeinated coffee have shown similar health benefits in previous studies.
Researchers emphasized the study does not prove coffee alone prevents disease, but it does provide a stronger scientific explanation for coffee’s long-observed health effects.
Safe says one future goal is to create a coffee-based nutraceutical, essentially a capsule that could deliver coffee’s beneficial compounds without the acidity.
“Coffee is a very complex mixture of compounds,” Safe said. “It’s a very potent combination.”