Yes, spending time in nature can improve immune function and resilience in several ways. Being in nature can help reduce stress levels, lower blood pressure, and decrease inflammation in the body, all of which can have a positive impact on the immune system. Additionally, exposure to natural environments can support the production of white blood cells, which play a crucial role in fighting off infections and diseases. Engaging in outdoor activities can also promote physical fitness, which is important for overall health and immune function. Overall, connecting with nature can have a beneficial effect on both physical and mental well-being, ultimately supporting a stronger immune system and increased resilience.