5 Foods That Kill Brain Performance

Green tea , blueberries , and whole grains are the best known food and has been shown to improve brain performance . But the study shows , there are also some foods that can degrade the performance of these organs . Researchers showed , some foods that have great potential to degrade the performance of the brain .

1 . Omelet white egg
Yes , white egg are very rich in protein , but if you do not eat the yellow egg,you will lose the most important nutrients , namely choline . Adults who eat more of choline in their diets had a verbal and visual memory tests better than those with less . Similarly, according to a study in the American Journal of Clinical Nutrition .

2 . Agave
Agave is a sweetener that has high fructose levels . This is the cause of agave is sweeter than sugar . Unfortunately , high levels of fructose it can also reduce brain function .

A study from the University of California at Los Angeles in mice revealed that fructose can weaken the movement and memory . Rats fed a high fructose diet running slower and had lower recall ability compared to rats fed omega - 3 fatty acids .

3 . Tuna
Tuna does contain many healthful you indulge in omega-3 fatty acids , but unfortunately , these fish also contain heavy metals mercury . One study showed that the highest levels of mercury exist in the bloodstream of people who consume a lot of fish that contain a lot of mercury .

The results of the cognitive tests in this group are also an average of 5 percent worse than other groups . Therefore , pililah low-mercury seafood such as salmon , sardines , and white fish .

4 . Popcorn microwave
Microwave popcorn known to contain a lot of trans fats . Though trans fats harm the heart by increasing inflammation in the lining and blood vessels . Not only that , trans fats are also bad for the brain .

It is known from studies in 2011 , elderly people who have a diet high in trans fat had lower cognitive abilities in later and have smaller brains than those who do not .

5 . Biscuits and crisps
In a study that analyzed the snacking habits , people who eat unhealthy snacks more than three times a week , such as candy , chips , and biscuits can make cognitive abilities decline , lack of concentration , and attention . Why ? According to the study , a snack - snack contains a lot of fat that can cause fatigue and inattention .