Coffee prevents Parkinson’s Disease and Alzheimer’s for those consuming 3 cups daily. The brain health benefits of the beverage seem to differ between decaf and regular coffee. Cover Photo: Stefano Spicca/Getty Images.
Perhaps you’ve heard the latest news – the evidence on coffee’s health benefits is increasing every day.
In fact, new research shows that coffee protects your brain
Many researchers have shown that daily coffee drinkers have a significantly reduced risk of both Alzheimer’s and Parkinson’s diseases.
How Coffee Prevents Parkinson’s Disease
Parkinson’s is a disorder of the central nervous system. The disease causes the death of the brain cells that secrete dopamine and are necessary for muscle movement. Parkinson’s Disease usually strikes the elderly, afflicting about 1% of people over the age of 60. The condition significantly shortens lifespan. Following a diagnosis of Parkinson’s, the average life expectancy is between 7 and 14 years. Males are more often affected than females. The disease was named after the British doctor James Parkinson, who first described the condition in the early 1800’s.
No one knows what causes Parkinson’s Disease, but doctors suspect that genetic and environmental factors, such as pesticides and head injuries are the cause. Those with an affected family member are more likely to get the disease themselves.
There is no known cure for Parkinson’s, which makes prevention especially important. Unfortunately, doctors can only treat the symptoms.
There is good news, however. Large observational studies have found that tobacco smokers and coffee and tea drinkers have a reduced risk of developing Parkinson’s.
A large systematic review reported that people who drank three cups of coffee daily have a 29% lower risk of Parkinson’s Disease. The researchers added that more is not necessarily better. Consuming five cups didn’t seem to add an extra benefit.
Coffee Protects Against Alzheimer’s Disease
Alzheimer’s Disease is the most common cause of dementia worldwide. The condition starts off slowly and gets more severe over time. Alzheimer’s usually strikes the elderly, affecting about 6% of individuals over the age of 65.
Scientists have good news, however, for moderate regular coffee drinkers. Observational studies show that people who drink moderate amounts of coffee regularly have a 65% lower risk of getting the disease.
Also, in people with mild cognitive decline, those consuming higher levels of caffeine have a slower rate of progression into full-blown dementia.
Reason For The Brain Health Benefit
Caffeine appears to be the active ingredient responsible for the brain health benefit of coffee. Caffeine has also been shown to elevate levels of a particular growth factor called granulocyte-colong stimulating factor (G-CSF). This growth factor is believed to improve memory and brain health. Granulocyte-Colong stimulating factor promotes the formation of new brain cells and encourages new synaptic connections between them.
Bottom Line: Scientists suspect that caffeine is the key ingredient that protects against both Alzheimer’s and Parkinson’s diseases. So, if you want to protect your brain, drink caffeinated coffee.
Observational trials have shown that consuming coffee in moderate amounts, around 3 cups daily, is linked to a reduced risk of Alzheimer’s and Parkinson’s Disease. For both conditions, caffeine seems to the driver behind the brain health benefits of coffee.
Observational trials are a weaker form of evidence. Correlation does not prove causation. Furthermore, randomized controlled trials have not confirmed that coffee protects against Alzheimer’s or Parkinson’s. However, remember the oft-repeated maxim “Correlation does not imply causation, but it sure is a hint.”
Tobacco and coffee are the only things that have been shown to prevent Parkinson’s Disease. Furthermore, researchers show that coffee protects against Alzheimer’s. You already know that tobacco is extremely hazardous to your health, leaving you with coffee. Drinking a few daily cups of caffeinated coffee will probably protect you against both diseases. In fact, researchers have just released a report listing the many other health benefits of coffee as shown in the link.
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