"Scientists are reporting for the first time that previously unrecognized substances released by algae blooms have the potential to act as endocrine disruptors."
http://www.sciencedaily.com/releases/2011/02/110216124224.htm
A study abstract on estrogenic activities:
The observed estrogenic potencies are important namely in relation to the possible mass expansion of cyanobacteria and release of the active compounds into surrounding water.
http://www.ncbi.nlm.nih.gov/pubmed/22208753
Environmental protection agencies may need to update monitoring programs for algae blooms to include potential endocrine-disrupting substances.
