What makes crisps unhealthy

Despite all these dangers of over-consumption, the pressures on children to keep snacking can be both powerful and astonishingly insidious. For example, last month, researchers at Liverpool University discovered that celebrity advertising of crisps has a lasting hold on young brains. The study, reported in the Journal of Pediatrics, involved children, aged between eight and 11 years, who were asked to watch a cartoon that was interrupted either by one of three different adverts one of which was Lineker endorsing Walkers crisps or by footage of Lineker presenting Match Of The Day.

Research in the British Medical Journal in found that only one in ten packed lunches would meet the same standards as school meals — with most containing crisps or confectionery. Short of putting warnings on packets, it is up to all of us to rein in our indulgence, no matter how tantalisingly tempting the manufacturers make their potato snacks. The views expressed in the contents above are those of our users and do not necessarily reflect the views of MailOnline.

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It's no wonder they're on our list of snacks that are causing you to gain weight. Ever found yourself just mindlessly eating a bag of potato chips just to look down and see there is nothing but crumbs? You've successfully reached the bottom of the bag, rather quickly. And when you have the bag sitting in front of you, this can be a fairly common occurrence! Well, there is actually a reason why and this all has to do with the "crunch" sound chips make.

One study found that the participants associated a loud crunch sound with the freshness of the food, making it more desirable. Another collection of studies published in the journal Appetite found that participants were more likely to consume more chips if the bag was labeled as "crunchy" and they ate more chips when they could hear the sound of the crunch, compared to when they had headphones on and the sound was blocked out. If you perceive a food to be fresher, you think it's more desirable, and that can lead you to eat an entire bag of chips in one sitting.

This explains why this can keep happening each time you eat chips, too. So you can see why they are a seriously addicting snack. When you look at the nutrition breakdown of a standard bag of potato chips , you're going to see that they are high in calories, fat, and sodium, but are low in just about everything else.

Plus, as she points out, avoiding chips isn't the worst thing you can do. Other foods that contain acrylamide include coffee, french fries and burned toast, so avoiding it at all costs may prove difficult.

Newsweek magazine delivered to your door Unlimited access to Newsweek. Unlimited access to Newsweek. Eating healthy snacks can help make up for any nutritional lack at meal times, so if you opt for chips instead of snacks with a high nutrient density, you won't get this benefit.

The sodium content in chips may negatively impact your cardiovascular health. A high intake of sodium can cause an increase in blood pressure, which can lead to stroke, heart failure, coronary heart disease and kidney disease.

Potato chips generally have between and milligrams of sodium per ounce, and tortilla chips can have to milligrams of sodium per ounce. A bag of chips typically contains more than a single ounce, so many people consume more sodium than they realize when eating chips. According to the Dietary Guidelines for Americans, most people should limit their salt consumption to 2, milligrams per day, while individuals over 50, African-Americans and anyone with high blood pressure, kidney disease or diabetes should not consume more than 1, milligrams per day.

Frequent chip consumption can contribute to high cholesterol levels because of the amount and type of fat found in chips.