Complex sentence: He is a frequent guest and commentator on various other media outlets, discussing public health issues like obesity, Ebola virus disease, Zika virus, vaccination, and international issues such as organ harvesting from Falun Gong practitioners in China.
Split into simpler sentences: He is a frequent guest and commentator on various other media outlets, discussing public health issues like obesity, Ebola virus disease, Zika virus, and vaccination. He has spoken out on international issues such as organ harvesting from Falun Gong practitioners in China.