Benefits of Fish and Mercury in Fish, Shellfish and Oil Health Concern

Including a variety of fish and shellfish into a well-balanced diet can contribute to a healthy heart, help prevent arthritis and contribute to healthy brain function. So you should include fish or shellfish in your diet due to its nutritional benefits.
The benefits of fish and shellfish are:

high-quality protein and other essential nutrients
low in saturated fat
contain [...]

Healthy Benefits of a Daily Spoonful of Cod Liver Oil

There is evidence supporting that dietary fish or fish oil (Omega 3) supplements has the healthy benefits of lowering triglycerides; reducing heart attack, abnormal and stroke risks; slows the buildup of atherosclerotic plaques (hardening of the arteries), and slightly lowers blood pressure.
Also, multiple randomized controlled trials report beneficial improvements in morning stiffness and joint [...]

Shellfish Poisoning Caused by Toxins Contamination

Poisoning from shellfish occurs after you eat toxin contaminated mollusks or crustaceans, such as oysters, clams, cockles, scallops, mussels, crabs, and lobsters.
Several small marine organisms produce the toxins responsible and this type of poisoning is rare.
Shellfish either eat or filter these marine organisms and concentrate the toxin in their bodies. Contaminated shellfish are usually [...]