Diseases, Conditions, Syndromes

Supplements don't preserve kidney health in type 2 diabetes

Supplements of vitamin D and omega-3 fatty acids (often sold as fish oil) do not help people with type 2 diabetes stave off chronic kidney disease, according to findings from the largest clinical study to date of the supplements ...

Health

Researchers get the best out of the daily dose of fish oil

Fish oil—it's one of the most commonly consumed dietary supplements globally and little wonder because it is associated with a wide range of health benefits—reducing cholesterol and hardening of the arteries, improving ...

Inflammatory disorders

How do ketogenic diets affect skin inflammation?

Not all fats are equal in how they affect our skin, according to a new study in the Journal of Investigative Dermatology. The investigators found that different ketogenic diets impacted skin inflammation differently in psoriasiform-like ...

Diabetes

Can diabetes be reversed?

Registered dietitian and diabetes educator Charlene Dorcey said it as gently as she could:

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Fish oil

Fish oil is oil derived from the tissues of oily fish. It is recommended for a healthy diet because it contains the omega-3 fatty acids, eicosapentaenoic acid (EPA), and docosahexaenoic acid (DHA), precursors to eicosanoids that reduce inflammation throughout the body. Fish do not actually produce omega-3 fatty acids, but instead accumulate them from either consuming microalgae that produce these fatty acids, as is the case with fish like herring and sardines, or, as is the case with fatty predatory fish, by eating prey fish that have accumulated omega-3 fatty acids from microalgae. Such fatty predatory fish like mackerel, lake trout, flounder, albacore tuna and salmon may be high in omega-3 fatty acids, but due to their position at the top of the food chain, these species can accumulate toxic substances (see biomagnification). For this reason, the FDA recommends limiting consumption of certain (predatory) fish species (e.g. albacore tuna, shark, and swordfish) due to high levels of toxic contaminants such as mercury, dioxin, PCBs and chlordane. More than 50 percent of the world fish oil production is fed to farmed salmon. There are vegetarian products, DHA Omega-3, made from algae available if toxic contaminants are of concern.

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