Best age to stop smoking is before 40 ,in fact do not start all
for severe knock knees, your doctor may recommend braces to be worn at night and special shoes. Surgery may help correct knock knees after the age of 10 for girls and 11 for boys if the braces and shoes aren't able to straighten their legs. Jul 11, 2016
31st may is ?world no tobacco day? quitting smoking before the age of 40 is associated with larger decline in premature death than stopping it at a later date. Best age therefore to stop smoking is before 40.
However, stopping smoking even after the age of 50 is still associated with lower risk of death as compared to those who continue to smoke. Even in smokers aged 80 years or more, quitting smoking appears to reduce some mortality.