What are symptoms of celiacs disease and am i more likely to have it because my grandfather does?

Variable Sx; slight: Celiac can have variable sx, incl gas, bloat, diarrhea, wt loss, rarely gain, constipation, joint aches and pains (often from vitamin d def), fatigue (often from iron def), osteoporosis, swallowing probl, rarely liver probl. Can get screened with blood testing, and/or genetic testing. Assoc with other autoimmune diseases such as ibd, psoriasis, rheum arth, lupus, type 1 diabetes, thyroid disease.

Slight increase: If a relative had it but not much increased risk a generation removed. Symptoms are varied, often bloating or loose stool, while some people just are found to have poor vitamin D or iron absorption as examples.