Quick Answer. In some rare cases, excessive stress causes bleeding between periods. It is more common that another condition is responsible, such as pregnancy, polycystic ovary syndrome, infection, pelvic inflammatory disease or side effects of medication, according to WebMD.
Using the scientific method, you can repeat the experiment to find out for yourself whether or not the other researcher's assertions are true. This is a key factor that separates science from dogma! The other important part of scientific research is that a hypothesis must be falsifiable. A falsifiable hypothesis or theory is one where an experiment or another discovery can prove it to be wrong, untrue, and false.
HHMI believes that integrity, responsibility, and accountability are essential to the search for truth that lies at the heart of the scientific enterprise. The Instituteâs policies governing research by its scientists establish high standards for scientific and ethical conduct.cientific Misconduct. As an organization dedicated to biomedical research in the public interest, HHMI expects that its scientists will conduct research and engage in related academic activities in accordance with the highest scientific and ethical standards.