In our youth, we often take our mental health for granted. We chug Red Bull to get through all-night study sessions; we stay up late texting and updating our social media profiles; and we push ourselves to succeed in competitive academic or career environments. As a result of this hectic lifestyle, many young people are prone to mental health issues such as anxiety, depression, and stress.

Have you ever heard of geroscience? It’s a relatively new field and it’s the study of aging. The National Institute on Aging defines it as the “intersection of basic aging biology, chronic disease, and health.”

So, you just got vaccinated and might be wondering, now what? Does this mean I can go wherever I want? Hug anyone? Hop on a plane? Throw my masks away?

When people turn fifty, it’s typically a crucial year for many people. Not just because it’s the big 5-0, either. Being fifty has been shown to kick of a number of health-related issues into high gear. However, many of them are also signs that might be easy to spot if you know what to look for. So, if you’re over forty, you might just want to perk up and pay attention. Here ‘s a list of 11 important health signs you need to be on the lookout for before your turn fifty (and of course, afterward).