Does weight watchers still work as well if you’re young?

I wanted to know if I have to be around 20 or in my 30’s to do weight watchers
Is it still healthy?

Will I benefit from doing Weight Watchers and supplementing it with Alli as well?

I have been following the Weight Watchers plan, but I wanted to supplement it by adding the diet pill Alli as well. Only problem is, you are supposed to take Alli when you eat 15 grams of fat or more with each meal. Being on Weight Watchers my meals hardly ever reach more than 10 [...]

Why does weight watchers work so well is it really worth it?

I need to learn good eating habits to stay healthy and lose a few pounds is weight watchers the right thing for me? How does it work so well?