Soft cold drinks contain caffeine which is very harmful for human body?

That's a bit of an oversimplification. While it's true that soft drinks often contain caffeine, caffeine itself isn't inherently "very harmful" for the human body.

Here's a more nuanced explanation:

* Caffeine's Effects: Caffeine is a stimulant. In moderate doses, it can boost alertness, improve focus, and enhance physical performance. However, excessive caffeine can lead to anxiety, insomnia, headaches, and other negative effects.

* Soft Drink Caffeine: Soft drinks typically contain relatively low amounts of caffeine compared to coffee or energy drinks. The amount varies greatly depending on the brand and type.

* Other Issues: While caffeine might not be the sole culprit, soft drinks can contribute to health problems due to their high sugar content, artificial sweeteners, and lack of nutritional value.

Here's the key takeaway:

* Moderation is key: Enjoying soft drinks in moderation is unlikely to cause significant harm.

* Be mindful of caffeine intake: Pay attention to the caffeine content of soft drinks, especially if you're sensitive to caffeine or consume multiple drinks daily.

* Focus on overall diet: Prioritize a balanced diet with plenty of fruits, vegetables, and whole grains.

If you have any concerns about your caffeine intake or overall health, consult with a healthcare professional.