Excercise and diet
because they became smart
No. If you want to be smart read or study. thinking your smart does not mean you smart.If you don't want to read thin you will say dumb.
become smart and work alot
yes
It will yes. But if we stop using CFC, it will not thin.
I can't get smarter because I already reached the highest on the "smart level" ;)
In 20 days you can't become thin but can become fit, have less calories food do regular exercise have hot water with honey in empty stomach.
Dont eat.
It's not. Intelligence is innate and cannot be changed, but strength can be gained. S smart person can become a smart strong person but a strong person cannot become a smart annd strong person.
Study :)
By paying attention
He was not highly educated and was not a scholar but he was smart. You don't become a successful major general and the president of the US if you are not smart.