When you have an employer group health plan and want to apply for Medicare, the work status of the policy holder (you or your spouse) affects whether or not you will be in a Coordination of Benefits period.
Copper is an excellent treatment for saltwater ich or marine velvet disease, but it can be toxic and stressful to fish. Of course, using it is much better than letting a fish die from velvet, but it should never be used in a tank with healthy fish. Improper nutrition is also a commonly overlooked stressor of fish.
Here's the catch: You can easily cancel out these health benefits if the fish you eat is contaminated with mercury, antibiotics, or harmful chemicals like PCBs. Use this quick-and-dirty guide to help you steer clear of suspect species that carry higher-than-average health risks. 1 of 12. View as one page.