Eating instant noodles once in a while will not cause much harm to the body, but eating instant noodles for a long time will cause the following harm to the human body:

1. Cause obesity. Regular consumption of instant noodles can lead to excessive intake of carbohydrates and fats, which can lead to obesity, diabetes, hyperlipidemia and other obesity-related diseases.

2. Instant noodles contain almost no nutrients, and long-term consumption will cause malnutrition.

3. Affect bone development. Instant noodles contain many additives, which will affect the absorption of calcium in the human body and easily cause fractures.