Do I really have to exercise for 1 hour with Weight Watchers?

I read somewhere that you have to exercise for 1 hour 6 days a week if you’re on weight watchers. Is that true?
I work full time and go to school at night. By the time I come home at night, I’d be too tired to do cardio and weight lifting for 1 hour. I might [...]

Is walking one hour a day a good start for weight loss ?

Is walking one hour a day a good start for weight loss ? I’m trying to lose as much weight as possible I’m 6′2 and weigh 289…Are there any good weight lifting exercises I could do to go along with my workout ?