Diabetes

Can diabetes be reversed?

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

Health

Why you still need omega-3 fatty acids

(HealthDay)—After vitamins and minerals, fish oil with its omega-3 fatty acids is the most widely used supplement, taken by an estimated 10% of Americans.

Psychology & Psychiatry

Home remedies: Can fish oil supplements treat depression?

Fish oil supplements may ease depression in some people. Some studies in adults suggest that omega-3 fatty acids may help treat mild to moderate depression, but more research is needed.

Medical research

Fish oil and cancer prevention

Increased dietary intake of fish oil, with its "healthy" omega-3 fatty acids, has been proposed to reduce risk of colorectal cancer. How it works is unclear, but it is thought to modify lipid signaling molecules associated ...

Health

Getting your nutrients: From the source or supplements?

(HealthDay)—Americans are making shifts in the supplements they take—fewer multivitamins and vitamins C and E, more fish oil and vitamin D. Many think of supplements as magic bullets, but studies don't always support ...

Health

Foods to lower your cholesterol count

(HealthDay)—It's not always possible to lower cholesterol through diet alone—sometimes there's no way to override your DNA, and medication becomes a must.

Immunology

Eating fish may help prevent asthma

A James Cook University scientist says an innovative study has revealed new evidence that eating fish can help prevent asthma.

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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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