You’re probably already aware that a glass or two of red wine is good for your heart and reduces your risk of strokes and gallstones. Now, a new study suggests that moderate alcohol consumption can bolster your immune system, improving its responsiveness.
In this study, 12 macaque monkeys were trained to drink alcohol freely and given free access to a 4 percent alcohol mixture as well as food and water. Their alcohol consumption - which mimicked human alcohol consumption - caused the research team to divide them into two groups.
The first group of macaques was made up of so-called ‘heavy drinkers’ who ended up with a blood ethanol concentration (BEC) of 0.08 percent or more. Interestingly, 0.08 percent is the maximum legal BEC for anyone driving a vehicle in the US. The second group of drinkers had lower BECs ranging from 0.02 to 0.04 percent.
Before giving the macaques access to alcohol, study researchers first observed their response to vaccinations. At first, all the macaques had comparable response times. However, after they were granted access to alcohol, their immune system response times to the vaccinations changed dramatically.
For instance, heavy drinking macaques showed diminished vaccine response times when compared to a group of macaques that consumed sugar water in place of alcohol.
Surprisingly though, macaques that consumed moderate amounts of alcohol actually showed enhanced immune system responses to vaccinations - in fact, these study researchers suggest that the health benefits of moderate alcohol consumption may be linked directly to its positive impact on the immune system.
It’s important to remember that while moderate alcohol consumption is beneficial, downing too many glasses can prove detrimental to health and wellbeing.
This new study did not identify the specific alcohol component that acts to enhance the immune system. Once health experts know what it is, less controversial health supplements are likely to be developed in future.
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