Just as the eyes are windows into the soul, urine is a window into the body. It can reveal whether you're dehydrated, for instance, a common health issue during these sweaty summer months. Healthy urine consists of yellow waste products that are dissolved in water.
Comfrey ointments have been used to heal bruises as well as pulled muscles and ligaments, fractures, sprains, strains, and osteoarthritis. In the past, comfrey was also used to treat stomach problems. However, it has toxic substances called pyrrolizidine alkaloids that damage the liver and can lead to death. Comfrey is no longer sold in the U.S., except in creams or ointments. The United Kingdom, Australia, Canada, and Germany also have banned the sale of oral products containing comfrey.
Mercury is very toxic. It is mostly known as a neurotoxin, meaning that it harms the brain and nervous system. However, mercury is also linked to kidney and liver damage and possibly cancer. Children are especially at risk because of their brains and bodies are still developing.