People who support stem cell research advocate the potential of stem cells to cure and improve the treatment of disease. Stem cells have a potential cure for spinal cord injury, multiple sclerosis, diabetes, Parkinson's disease, cancer, Alzheimer's disease, heart disease, stroke, diabetes, birth defects, and genetic diseases. People against stem cell research cite ethical issues that it is immoral to destroy a few days old human embryo just to save or reduce suffering in existing human life. But people who support stem cell research say it is better to donate embryos instead of abortion. Many also point out that, despite all the support and money, cures through embryonic stem cell therapy have yet to be produced. On March 9, 2009, President Obama announced his plan for embryonic stem cell research by providing financial aid to the scientific sector