1.   Among their offerings were shark cartilage to combat pet cancer and a bag of herbs to fight cat cystitis.

2.   Asians use the fins for soup, and shark cartilage has been touted as a cure for cancer.

3.   Brem and other research groups say they are infuriated by such claims because scientific proof that commercial shark cartilage works against cancer is lacking.

4.   Could such a substance, if purified from shark cartilage or elsewhere, somehow be used to keep blood vessels from growing in human tumors?

5.   Could troponin I have anything to do with claims about the effectiveness of shark cartilage for treating cancer?

6.   Glucosamine, made from crab shells, and chondroitin, made from cow, pig or shark cartilage, are both sold to treat arthritis in the knee.

7.   He says there is a substance in shark cartilage that inhibits development of blood vessels that feed cancerous cells, a process called angiogenesis.

8.   He was given three months to live, but he started taking shark cartilage.

9.   In the end, controlled clinical trials will be the only way to prove whether shark cartilage is a miracle cure or a hoax.

10.   Instead, Cartwright started taking shark cartilage, which several companies sell in capsule form, and lots of vitamins.