Certified nursing assistants (CNAs) and medical assistants may seem similar, but they’re incredibly different healthcare careers. A CNA may help patients with daily hygiene and personal tasks, like bathing and using the bathroom, under the supervision of a nurse. A major distinction is that medical assistants work in more clerical capacities than CNAs, though medical assistants also help patients, fulfilling duties such as taking vital signs and sterilizing equipment. Ultimately, it is up to you to decide which is better, a medical assistant or a CNA.