Chips are high in fat and calories, the two things that make you more likely to gain weight and become obese. One serving of about 15 to 20 potato chips contains 154 calories and 10 grams(g) of fat. A whole bag has more than a serving, so you can imagine the damage that it can do to your body. Potato chips were stronger compared to other factors that caused weight gain like high-sugar drinks, processed meats, and bad diet. Being overweight and obese is like giving diseases such as heart disease, and cancer a free pass to your body.

　　Frequent consumption of potato chips also leads to increased cholesterol (胆固醇) levels. They are full of Trans fat (反式脂肪), the deadliest type known to man, since most of them are deep-fried. In Britain, a study shows that eating a packet of potato chips every day is equal to drinking nearly 5 liters (L) of cooking oil every year. The oils used to fry potato chips are usually saturated (饱和) fat which will drive your cholesterol to dangerous levels. A previous study which appeared in medical journals associated high cholesterol levels with a higher risk of coronary heart disease (冠心病).

　　The sodium (Na) content of potato chips is also high. Each serving has 120 to 180 milligrams(mg) of sodium. Sodium consumption must be limited within 2,300 mg a day for healthy people and a big bag of potato chips has enough to cover your daily limits. Much sodium intake can lead to high blood pressure, which in turn can cause coronary heart disease, heart failure, stroke (中风), and kidney (肾脏) problems.

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