Foods high in both Omega-3s and uridine might be a good place to start.
There is also a row over how the European legislation is being applied to omega-3s.
ECONOMIST: The way health claims about food are regulated is changing
Some fish, such as salmon and mackerel, are a good natural source of omega-3s.
There is also a lot of experimental work showing that omega-3s have behavioural effects on adults.
Can uridine and Omega-3s together make people feel as well as giving them a standard antidepressant treatment?
Freshwater fish from cold waters, like lake herring, lake trout, salmon, and whitefish, are also high in omega-3s.
It says that the labelling of omega-3s should be clear about which type is contained in a product.
ECONOMIST: The way health claims about food are regulated is changing
Unfortunately, much of the breathless enthusiasm surrounding omega-3s is based on insufficient evidence bolstered by breathless media hype.
FORBES: Military Study: Can Dietary Supplements Prevent Soldier Suicides?
Uridine fuels mitochondria, and paired with the lubricating effect of the Omega-3s, helps them make more energy more efficiently.
Omega-3s clear the buildup, allowing those chemicals to get where they're going easier.
In general, white-fleshed fish, such as cod, tilapia, or flounder, are low in all types of fat, including omega-3s.
Ironically, that means they avoid one of the richest sources of omega-3s.
The nuts are higher in good fats -- omega-3s in this case -- and you're getting vitamins, fiber, and antioxidants from the fruit.
CNN: Get the biggest bang for your calorie with nutrient-dense food
Darker-fleshed fish that swim in cold, open waters, such as tuna, herring, and mackerel, store fat in their flesh and are high in omega-3s.
Yet another problem the lipid biologists have is with the amount of long-chain omega-3s that the EFSA has recommended it is desirable to consume.
ECONOMIST: The way health claims about food are regulated is changing
Omega-3s are present in smaller amounts in flaxseed oil, walnut oil, soybean oil and canola oil, and they can also be found in supplements.
Then, 231 volunteers were given either capsules containing their official daily requirements of vitamins, minerals and essential fatty acids (such as omega-3s) or placebos.
"I have no hesitation in recommending that people increase their consumption of omega-3s, even if they are not ill, because they are protective, " he said.
Some eye experts say omega-3s, found commonly in fish and nuts, appear to play a protective role in eye health with both the retina and cornea.
In her study, Lammi-Keefe and her colleagues found that infants born of women with more omega-3s in their diet during pregnancy had more developed central nervous systems.
But other omega-3s being put in foods have less evidence behind them--and there may be no way of telling which you are getting from the package label.
Lammi-Keefe also plans to look into whether omega-3s are important in preventing memory loss and stemming the effects of Alzheimer's and other diseases related to the nervous system.
One is that a product can now claim to be high in long-chain omega-3s, yet be of questionable value because it also contains high levels of omega-6 fatty acids.
ECONOMIST: The way health claims about food are regulated is changing
Getting omega-3s from natural food sources, however, should always be the first option, says Connor, who presented his research at the 1999 annual meeting of the American Dietetic Association (ADA).
The group says the regulation of omega-3s that has been adopted so far has no foundation in science, will legalise the deception of consumers and will make public health worse.
ECONOMIST: The way health claims about food are regulated is changing
The problem, in the group's view, is that companies are now allowed to claim that a product is rich in omega-3s irrespective of whether these are long-chain or short-chain molecules.
ECONOMIST: The way health claims about food are regulated is changing
Salmon, walnuts, and flaxseeds are good sources of omega-3s.
CNN: Get the biggest bang for your calorie with nutrient-dense food
Most big studies confirming the cardiovascular benefits of omega-3s have tested either docosahexaenoic acid (DHA), an omega-3 found in salmon, sardines and breast milk, or another fish oil called eicosapentaenoic acid (EPA).
Their third finding was that a low intake of omega-3s during pregnancy led to higher levels of pathological social interactions such as an inability to make friends as a child grew up.
It may even be that, like Viagra, society largely welcomes the arrival of a chemical that does, far better, what omega-3s, ginseng, vitamins and all the other quackery have failed to do.
ECONOMIST: Drugs to make you cleverer are in the test-tube. Good
应用推荐