She even wonders whether the orgy of admiration could do more harm than good, dividing disabled people in the public mind between "those wonderful athletes", and those who have fallen short of the paralympian ideal.

BBC: Disabled people divided over Paralympics effect

These brain systems infuse our mind with meaning, make us aware of what might harm us, alert us to what might go wrong, draw us toward what's good for us and highlight the sheer joys and pleasures of living.

CNN: Make your 'rainy brain' sunnier

Further, Sir Richard Doll, who first brought our attention to the links between smoking and lung cancer said: "I do not mind people smoking in my presence, since the risk of harm is so minimal".

BBC: Non-smoker

Keep in mind that making personal sacrifices for a start-up can potentially do more harm than good.

WSJ: When Starting a Business, Personal Time Often Gets Short Shrift