ibd

I am a 91 year young male. Losing weight, sharp mind, live alone. Daughter about 10 mins. away. Takes me shopping and helps when she can but she has a very sick husband. My dr. wants to know why I'm losing weight. I'm down to a 142 was very athletic in early years. Still do my own cookiing and baking which I must say I'm pretty good at. Not too long ago I weighed 175. So this weight loss has me upset but 3 or 4 hours after eating I have to go to the bathroom. I have tried taking powder with juice but it doesn't seem to help. Any ideas? Thanks for listening Not so big anymore Don