When you hear the word "biohacking," what comes to mind? If you picture a 20-something tech bro jumping into a -20°F ice bath, fasting for 36 hours, or wearing blue-blocking glasses at a nightclub, you aren’t alone. The internet has made biohacking look like an extreme sport reserved exclusively for the young. But if you are past the age of 45, trying to force your body into these extreme protocols won't give you endless energy. In fact, it might do the exact opposite.