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It’s no secret that wine has tons of proven health benefits—but before you even take a sip of that Shiraz, give it a sniff to sharpen your memory.

In a new study published in the journal Frontiers in Human Neuroscience, researchers from the Cleveland Clinic and Université du Québec à Trois-Rivières tested MRI data from a group of sommeliers. According to their findings, sommeliers are less likely to develop diseases like Alzheimer’s, Parkinson’s and dementia later in life. 

Why? Sommeliers are trained to use olfactory memory (or the recollection of odors) to discern between different types of wine. This portion of the brain is not exercised when using other senses, like touch, sight and sound. So while you're using your nose to identify grapes and regions, you're actually exercising a very underutilized portion of your brain, which helps keep your mind sharp and protects against neurodegenerative diseases.

We knew wine was our favorite beverage for a reason. Now if you’ll excuse us, we have some sniffing to do. 

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