Unhealthy lifestyle can affect our physical and mental health by age 36 | Bad habits such as smoking, heavy drinking and lack of exercise must be tackled as early as possible to boost the odds of a happy and healthy old age.

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3. Unhealthy lifestyle can affect our physical and mental health by age 36 | Bad habits such as smoking, heavy drinking and lack of exercise must be tackled as early as possible to boost the odds of a happy and healthy old age.