Complex sentence: A frequent international traveler, Dundee developed a great interest in acupuncture and one of his most notable achievements was the discovery that appropriate use of acupressure can provide relief of morning sickness in pregnant women.
Split into simpler sentences: A frequent international traveler, Dundee developed a great interest in acupuncture. One of his most notable achievements was the discovery that appropriate use of acupressure can provide relief of morning sickness in pregnant women.