Researchers injected ethyl alcohol into 16 tarsometatarsal joints (lowest hock joint) of normal, sound horses. They injected 4 mL of either 70% or 95% ethyl alcohol.
For other uses, see Dementia (disambiguation). Dementia, also known as senility, is a broad category of brain diseases that cause a long term and often gradual decrease in the ability to think and remember that is great enough to affect a person's daily functioning. Other common symptoms include emotional problems, problems with language, and a decrease in motivation.
Dementia is a progressive loss of mental function due to certain diseases that affect the brain. The losses are substantial. Over time, all types of dementia will lead to loss of memory, loss of reasoning and judgment, personality and behavioral changes, physical decline, and death. But the course dementia takes can vary widely from person to person. It's influenced by many factors, including age and other conditions a person may have.