 [ Symptoms ] would taking saw palmetto as a supplement be of use after having radiation and hormone therapy for prostate cancer  my husband has confined cancer of the prostate and has taken saw palmetto supplements for years after his radiation treatments45 days and after having a 6 month hormone shot to prevent the body from producing any more testosterone i wonder if the saw palmetto supplements are doing any good or harm from this point on he has not had any further testspsa as of this date but will in a few months he is 84 and in otherwise good health [ Disease ] no it would not if you want to throw a wiffle ball a tennis ball or even a cotton ball for the fun of it just do it it will not damage your shoulder any more than any other repetitive throwing repeated throwing of anything however could damage your shoulder over time if you are not careful and well conditioned you need to strengthen those shoulder muscles lift some light weights do some stretchingrange of motion activities and get the proper rest between throwing i am not sure what kind of ball you are throwing i suspect a baseball but stay on top of your game