For the most common type of cardiac tumor, hemangiosarcoma (HAS), spayed females had a greater than five times risk vs. their intact counterparts. Neutered male dogs had a slightly higher risk than intact males. The study concluded that, â¦ neutering appeared to increase the risk of cardiac tumor in both sexes.
Opiates List Categories. The natural drugs contained on the opiates list come from the alkaloid materials found in the opium poppy seed plant. Opium poppy seed plants contain a high concentration of morphine-derived alkaloids, which accounts for why morphine is one of the strongest opiates in existence. Codeine-derived alkaloids make up the second highest concentration.
Fentanyl has much stronger effects than morphine. Morphine is derived form the opium poppy. Both morphine and fentanyl are narcotics, and come with a risk of addiction. Fentanyl is usually used in the management of chronic pain for people with cancer. A syringe and container of morphine. All opioids, including both morphine and fentanyl, have a high risk for abuse.