https://www.scientificamerican.com/article/faq-how-does-new-trump-fetal-policy-impact-medical-research/ > The announcement this week that the federal government is changing its policy on the use of human fetal tissue in medical research is designed to please anti-abortion groups that have strongly supported President Donald Trump. > But it could jeopardize promising medical research and set back attempts to make inroads in devastating diseases such as HIV, Parkinson’s and diabetes, U.S. scientists said.