The phrase "lead to unhappiness" is grammatically correct and can be used in written English.
It can be used in a sentence to describe something that causes or results in feelings of unhappiness. Example: The constant pressure to please others and meet their expectations can lead to unhappiness and stress in one's personal life.
The pressure to conform to such a narrow ideal of beauty can lead to unhappiness and low self-esteem for many women and girls.
And a third, which the psychologists call love dependency, was based on a longing for social connection ("Being isolated from others is bound to lead to unhappiness" or "After a fight with a friend, I must make amends as soon as possible").
It can also lead to unhappiness and unhealthiness.
Research also shows that boredom and social isolation among commuters can lead to unhappiness.
And, for Jeremy Bentham, what made them bad was their lack of utility, their tendency to lead to unhappiness and misery without any compensating happiness.
This obsession with being thinner can lead to unhappiness and distractions at school.
Well into the 1970s, blacks faced "a vast array of personal indignities that led to unhappiness," he noted.
The reason is because thinking about yourself, and how to make things better for yourself all the time, is exhausting, stressful, and ultimately leads to unhappiness.
As boredom nearly always leads to unpleasantness and bad deeds, while selfconsciousness leads to unhappiness and bad art, you can see why jigsaws, sheds, knitting and sudoku are the bedrock of civilisation.
Although she has not seen Alexandra in 25 years, their history continues to inform Medea's attitudes about human character: "Medea was deeply convinced that frivolity led to unhappiness.... From childhood, however, Alexandra behaved exactly as her wayward heart dictated, and Medea could never understand waywardness, whims, urgent desire, caprice or passion".
lt's no surprise that feeling "locked in" with a job leads to unhappiness and anxiety, as one European survey found.
