vera roasting co. | october 3, 2022
Coffee lowers risk of heart problems and early death, study says, especially ground and caffeinated
Is coffee good for you?
Drinking two to three cups a day of most types of coffee may protect you from cardiovascular disease and an early death, a new study found.
A fan of black coffee and dark chocolate? It's in your genes, a new study says, “The results suggest that mild to moderate intake of ground, instant and decaffeinated coffee should be considered part of a healthy lifestyle,” said study author Peter Kistler, head of clinical electrophysiology research at the Baker Heart and Diabetes Institute and head of electrophysiology at Alfred Hospital in Melbourne.
Researchers found “significant reductions” in the risk for coronary heart disease, congestive heart failure and stroke for all three types of coffee. However, only ground and instant coffee with caffeine reduced the risk for an irregular heartbeat called arrhythmia.
Decaffeinated coffee did not lower that risk, according to the study published Wednesday in the European Journal of Preventive Cardiology.
Prior studies have also found moderate amounts of black coffee — between 3 and 5 cups daily — has been shown to lower the risk of heart disease, as well as Alzheimer’s, Parkinson’s, type 2 diabetes, liver disease and prostate cancer. “This manuscript adds to the body of evidence from observational trials associating moderate coffee consumption with cardio protection, which looks promising,” said Charlotte Mills, a lecturer in nutritional sciences at the University of Reading in the UK, in a statement.
Your morning cups of coffee and tea could be associated with lower risk of stroke and dementia
However, this study, like many in the past, was only observational in nature and therefore cannot prove a direct cause and effect, added Mills, who was not involved in the study.
“Does coffee make you healthy or do inherently healthier people consume coffee?” she asked. “Randomized controlled trials are needed to prove the relationship between coffee and cardiovascular health.”
Ground, caffeinated coffee lowered risk the most. The study used data from the UK Biobank, a research database which contained coffee consumption preferences on nearly 450,000 adults who were free of arrhythmia or other cardiovascular disease at the start of the study.
They were divided into four groups: those who enjoyed caffeinated ground coffee, those who chose decaffeinated coffee, those who preferred caffeinated instant coffee, and those who did not drink coffee at all.
After an average of 12.5 years, researchers looked at medical and death records for reports of arrhythmia, cardiovascular disease, stroke and death. After adjusting for age, diabetes, ethnicity, high blood pressure, obesity, obstructive sleep apnea, sex, smoking status, and tea and alcohol consumption, researchers found all types of coffee were linked with a reduction in death from any cause.
Coffee may reduce risk of death from stroke and heart disease The fact that both caffeinated and decaffeinated coffee was beneficial “might suggest that it is not simply the caffeine which could potentially explain any associated reduction in risk,” said Duane Mellor, a registered dietitian and senior teaching fellow at Aston University Medical School in Birmingham in the UK, in a statement. He was not involved in the study.
C “Caffeine is the most well-known constituent in coffee, but the beverage contains more than 100 biologically active components,” said Kistler, who holds joint appointments as professor of medicine at the University of Melbourne and Monash University.
“It is likely that the non-caffeinated compounds were responsible for the positive relationships observed between coffee drinking, cardiovascular disease and survival,” Kistler said.
Drinking two to three cups of coffee a day was linked to the largest reduction in early death, compared to people who drank no coffee, according to the statement.
Ground coffee consumption lowered the risk of death by 27%, followed by 14% for decaffeinated, and 11% for instant caffeinated coffee. The link between coffee and a lowered risk for heart disease and stroke was not as robust: Drinking two to three cups a day of ground coffee lowered risk by 20%, while the same amount of decaf coffee reduced risk by 6% and instant by 9%.
The data changed when it came to coffee’s impact on irregular heartbeat: Four to five cups a day of caffeinated ground coffee lowered risk by 17% while two to three cups a day of instant coffee reduced the likelihood of arrhythmia by 12%, the statement said.
These negative side effects “can be particularly relevant to individuals who are sensitive to the effects of caffeine,” Creedon said. “Hence, the findings of this study do not indicate that people should start drinking coffee if they do not already drink it or that they should increase their consumption.” Most studies are focused on the health benefits of black coffee, and do not take into account the extra sugars, creams, milks and processed additives that many people use in coffee.
“A simple cup of coffee perhaps with a little milk is very different to a large latte flavored with a syrup and added cream,” Mellor said. Adding sugars and dairy fats to coffee can reduce their health benefits, experts say. In addition, how coffee is brewed can also affect its benefits for health. Filtered coffee catches a compound called cafestol that exists in the oily part of coffee. Cafestol can increase bad cholesterol or LDL (low-density lipoproteins).
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However, using a French press, Turkish coffee maker or boiling coffee (as is often done in Scandinavian countries), does not remove cafestol. And, finally, coffee’s benefits do not apply to children – even adolescents should not drink colas, coffees, energy drinks or other beverages with any amount of caffeine, according to the American Academy of Pediatrics.
Posted by: Kate Putnam October 2, 2022 Vera Roasting Co. email@example.com 888-567-7287 903 Central Ave. Dover, NH
Article credit: By Sandee LaMotte (https://www.cnn.com/2022/09/29/health/coffee-live-longer-wellness/index.html )