mˈɛni stˈʌdiz hæv əbzˈɜːvd ðɪ ɪfˈɛkts ʌv vˌɑːləntˈɪɹɪzəm æz ɐ fˈɔːɹm ʌv ˈɔːltɹuːˌɪzəm ˌɔn hˈæpɪnəs ænd hˈɛlθ ænd hæv kənsˈɪstəntli fˈaʊnd ðæt ðoʊz hˌuː ɛɡzˈɪbɪt vˌɑːləntˈɪɹɪzəm ˈɔːlsoʊ hæv bˈɛɾɚ kˈɜːɹənt ænd fjˈuːtʃɚ hˈɛlθ ænd wˈɛlbˈiːɪŋ.
Many studies have observed the effects of volunteerism (as a form of altruism) on happiness and health and have consistently found that those who exhibit volunteerism also have better current and future health and well-being.