Four Cups of Coffee A Day Beneficial to Heart
The issue of whether coffee is beneficial to health is a controversial one, as new reports are published daily. Some of them suggest drinking coffee is dangerous, others claim it could bring significant health benefits. A recent research contributes to it by saying drinking four cups of coffee a day is just the right amount to help your heart stay healthy.

Heart-friendly
In a new study, German scientists aimed to find out what cellular pathways are affected by caffeine. In their previous research, they demonstrated that the amount of caffeine contained in four cups can help improve the condition of the endothelial cells which are found in blood vessels and used there as a lining. Besides, there was evidence that it has something to do with mitochondria, which are organelles specializing in supplying the body with energy, which is why they are often called powerhouses.
Study implications
The study findings suggest a recommendation to increase intake of coffee among the elderly could be a good idea, as the population is aging, and prevention is an important aspect of keeping the armies of the elderly healthy and saving the money spent on healthcare. The implications are not limited to coffee: the effect p27 has on endothelial cells could possibly be used in therapies aimed at improving healthspan.A controversial one
Despite the finding that the invigorating drink can be beneficial to health, one should be careful when deciding to increase intake of coffee. It is especially important to evaluate risks of consuming caffeine-rich foods and drinks if it’s an elderly person, and here are several reasons for it. One of them is that long-term exposure of the body to caffeine (even if the dose is low) can exacerbate some of the symptoms characteristic of Alzheimer’s disease which are related to behavior, including anxiety.Before encouraging your seniors to drink more coffee, consult a doctor to make sure they do not have hypertension.
References:
Drinking coffee may be associated with reduced risk of heart failure and stroke –Newsroom.heart.org
Caffeinated and Decaffeinated Coffee Consumption and Risk of Type 2 Diabetes: A Systematic Review and a Dose-Response Meta-analysis – Care.diabetesjournals.org
CDKN1B/p27 is localized in mitochondria and improves respiration-dependent processes in the cardiovascular system—New mode of action for caffeine –Journals.plos.org
Long-term Treatment with Low-Dose Caffeine Worsens BPSD-Like Profile in 3xTg-AD Mice Model of Alzheimer’s Disease and Affects Mice with Normal Aging – Frontiersin.org