brown tree snakes are nocturnal. most of Guam's native forest birds are not. explain how this has affected both the snakes and the birds. The snakes easily find and kill the sleeping birds, and the snakes success has allowed them to reproduce quickly.
A person may have both internal and external hemorrhoids. Symptoms of hemorrhoids include occasional throbbing pain, itching, burning sensation, bright red blood on toilet paper or stool, or a lump of soft tissue protruding outside of the anus.
Hemorrhoids (US English) or haemorrhoids UK /ËhÉmÉrÉÉªdz/ are vascular structures in the anal canal. In their normal state, they are cushions that help with stool control. They become pathological or piles when swollen or inflamed. At this point the condition is technically known as hemorrhoidal disease. The signs and symptoms of hemorrhoids depend on the type present. Internal hemorrhoids usually present with painless rectal bleeding, while external hemorrhoids may produce few symptoms or if thrombosed significant pain and swelling in the area of the anus.