Sex is intimate physical activity between people, whether it’s intercourse, oral stimulation, or another act. Sexual activity can be a fun way to explore desires while building intimacy and trust in a relationship. Research shows that a healthy sex life can come with a variety of benefits, including decreased stress and reduced risk of anxiety and depression. However, to reap these benefits, it’s important for all partners to enjoy the activity, feel safe, and be open about their wants and needs. Taking physical precautions when necessary, such as using condoms and birth control, can also be important to maintaining a healthy and satisfying sex life.