I have been told I can't exercise due to a knee injury. I used to love running and walking. I feel so down as the weights crept up and up and unfortunately my knee is no better I am determined to address my weight going up and I've just started to swim but I'm have to go v slow the gp said, but any tips for weight loss when you can't exercise as much? Feel so pants about it! Previously the only time I've lost weight is through lots of exercise.