Now-a-days the immune system of humans becomes weak. So many people noticed that they started feeling the weakness at the age of between 30 to 45, even in the ancient time weekness in the humans at the age of 50-60 was rare. There are so many reasons behind this. So people says it is happening due to utilizing more times in the mobile phones and PC devices and some says it is happens due to the stress and depression on their work or family. These are definitely true but the main reason is the development in the technologies, decreasing of the nutrition in the foods and spending times on the mobile phones inthe place of outdoor games. 

Now the topic is how to protect from these diseases, you have to do daily exercises like Running, Yoga, meditation, push-up and all types of workouts which warms your body, this maintain the blood circulation and make strong your heart. You all have to give your some time for outdoors and make less use of mobile phone. There are so many diseases which are so dangerous but we can't identify them so we have to alert because "Care Is Better Than Cure." If you use mobile phones then use it for benefits.

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The most common and dangerous is fever. We can't able to know how we trapped by fever, it is happens from street food and by the dirty water. We have to prevent from this. 

How we can identify the fever:-

We can identify the by follows:-

* In the first week we feel a normal headache.
* In the second week our neck feel some hesitation and the headache increased.
* After few days your body temperature gets imbalanced and you feel pain in your stomach this may led to loose motion.
* If you didn't consult with the doctor so maybe its harms to your body and led to a dangerous disease like cholera.

So you have to takecare of your self be careful at any condition because life is more important than other things.