Red in the Face (image) Max-Planck-Gesellschaft Share Print E-Mail Caption The side effects of nicotinic acid are harmless but clearly visible and felt by the patient. For this reason, the drug for increasing HDL cholesterol levels is not popular among patients. This could now change, thanks to the new discovery. Credit MPI for Heart and Lung Research Usage Restrictions These images may only be used or reproduced for editorial purposes and in connection with scientific articles on our press material, in which case such usage or reproduction is free of charge and requires no permission. Any other use, in particular for commercial purposes, requires prior permission of the author or photographer. Further enquires can be answered in the Press and Public Relations Office - simply write an e-mail to firstname.lastname@example.org. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.