Through social connection, phone conversations provide a number of health advantages, such as lowered stress levels and feelings of isolation, higher survival rates for those with heart failure, improved communication, improved mood, and the potential for greater closeness and sexual connection.
Phone calls have been found to have health benefits, particularly related to social connection. Research suggests that social support, including phone calls, can reduce stress and loneliness, contributing to a healthier life. For example, a study found that heart failure patients who received phone calls from nurses had improved survival rates, with sicker patients benefiting the most. Phone calls also help lower rates of loneliness and improve mood by facilitating non-physical social interaction. Clearer communication and less awkwardness are additional advantages of phone calls, as they provide context and nuance through voice inflections. Finally, phone calls can enhance intimacy and sexual connection by using the voice as a tool for fantasies and desires.
Source: https://www.wellandgood.com/health-benefits-phone-calls/