Ping pong or bowling healthy?

My rule is this: if I'm not out of breath at all, if I'm not moving a lot, and if I'm not sore the next day, than it wasn't really exercise.  Sure these are sports, but that doesn't mean you are actually getting exercise.  If you want exercise, you need to get both aerobic and muscle workouts.  This means that you have to be constantly moving for at least 20 min (for the aerobic) and to really work specific body parts until it hurts (for the muscle work out). 

Healthy in mind for it will relax you. But physically not that much, for what was said ^ above it was helpful if you will move a lot.  In bowling your movement is slow and your muscle will not get the sufficient exercise needed.

I think the only way these sports will help someone lose weight is if he/she get so involved in them that they forge to eat. There simply isn't enough activity in them to get a person's heart rate up. Bowling might help strengthen a bowlers arm and wrist but this isn't something that will have a great affect on one's health.

As a start they could be ok, but if you really want to become leaner you should probably look for more strenuous venues. Actually once you get in better shape your game will probably improve as well.