When pollution is caused by nutrients and fertilizers, this is called nutrient pollution, and it leads to an overproduction of algae and other aquatic plants. This overabundance of plants and algae causes problems, because they cover the water surface and prevent sunlight from reaching the plants underwater.
Reverse T3 is actually an antithyroid -- T3 is the active thyroid that goes to the cells and stimulates energy and metabolism. Reverse T3 is a mirror image -- it actually goes to the receptors, sticks there, and nothing happens. So it blocks the thyroid effect. Reverse T3 is kind of a hibernation hormone, in times of stress and chronic illness, it lowers your metabolism.
A Thyroid Stimulating Hormone (TSH) blood test is combined with the Free T3 and Free T4 tests to provide the most accurate overview of thyroid function. Test also includes T3 Uptake, T4 and T7.he thyroid-stimulating hormone (TSH) blood test is used to check for thyroid gland problems, frequently ordered with the Thyroid Profile to measure levels and ratio of of T3 and T4.