Can we survive with pure Oxygen as air ?

The air that we breathe contains only 21% oxygen. It means there is no necessity of pure 100% oxygen for a person to breathe properly. But is there …

How long can a person stop his breath !

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You must have tried it for fun while playing with your friend. Some people practice it to improve their underwater swimming experience while some pr…

Normal Blood Pressure for Men over 30, 40, 50, 60 Years

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Normal Blood Pressure for Men by Age The normal blood pressure for men is generally considered to be around 120/80 mmHg. However, this value is not…