gun for (something)
to try very hard to get a prize or promotion etc.
I have been gunning for the sales job for a long time.
Eye care tips for Computer users
Do Not Smoke Breathe In Fresh Air
You know that smoking is dangerous for your lungs and heart, right? But, you might not know that it also enhances the risk of macular degeneration, optic nerve damage, and cataracts.
Most of us know that cigarettes contain nicotine, which has harmful ramifications. Besides, smoking will lead to premature ageing and also make the eyes look puffy. Once you smoke, try to quit it right today if you do not want to look ill.