 [ Symptoms ] what may cause blood in the stool  more importantly what may cause a lot of bright red blood in the toilet after bowel movement and a rather large blood clot i had to remove myself from the toilet to clean myself and found the blood clot about the size of a small chicken liver and almost the same consistency no more bleeding since bleeding i have experienced before and does not concern me but the clot was rather scarey [ Disease ] the majority of visible wrinkles that we observe are due to extrinsic aging extrinsic factors are associated with damage to the upper layers of the skin epidermis or dermis primarily from either sun damage or smoking extrinsic aging cannot be corrected with facial exercises i encourage daily exercise for your overall health and well being however exercising your facial muscles will not reverse skin damage or premature wrinkling due to extrinsic factors