It takes you directly into the heart of the rendering facility; and what has been kept hidden from the consumer. Leftover meat scraps and any unused animal parts began to be added to pet foods around the time of World War II. Back then, very few people understood the nutritional requirements of cats or dogs, and so the idea stuck for many years; and continues to do so to this day. While recent years have brought many advances in animal nutrition and veterinary research, we still have a long way to go before most pet foods contain the kinds of protein that our companions need.
Most drugs of abuse are addictive. Addiction is a chronic, relapsing disease characterized by compulsive drug seeking and use despite negative consequences and by long-lasting changes in the brain. People who are addicted have strong cravings for the drug, making it difficult to stop using. Most drugs alter a person’s thinking and judgment, which can increase the risk of injury or death from drugged driving or infectious diseases (., HIV/AIDS, hepatitis) from unsafe sexual practices or needle sharing. Drug use during pregnancy can lead to neonatal abstinence syndrome, a condition in which a baby can suffer from dependence and withdrawal symptoms after birth. Pregnancy-related issues are listed in the chart below for drugs where there is enough scientific evidence to connect the drug use to negative effects. However, most drugs could potentially harm an unborn baby.