Using a sauna, or any form of heat therapy, can indeed increase levels of adrenaline in the body. Adrenaline is a hormone that is released in response to stress or excitement, and it can have a variety of effects on the body. Heat therapy can trigger the body's "fight or flight" response, which can lead to an increased production of adrenaline.
The effects of adrenaline can be felt in several ways. It can lead to a heightened sense of alertness, increased heart rate and blood pressure, and a boost to the immune system. It can also cause a release of glucose into the bloodstream, providing energy for physical activity.
Heat therapy can also increase levels of endorphins, which are hormones that can cause feelings of pleasure and euphoria. This can help to reduce stress and anxiety, and can even improve mood.
The effects of using a sauna can be beneficial for both physical and mental health. However, it is important to note that heat therapy should be done in moderation and with care. Overheating can lead to dehydration and heat exhaustion, so it is important to take frequent breaks and drink plenty of fluids. Additionally, people with certain medical conditions should talk to their doctor before using a sauna.