Setting aside the notion of determining the number of individual animals on the planet for a moment, merely determining the number of species on the Earth is challenging. Science has only been able to offer estimates thus far, and totals vary greatly.
A. A. A. Multiple sclerosis, or MS, is a long-lasting disease that can affect your brain, spinal cord, and the optic nerves in your eyes. It can cause problems with vision, balance, muscle control, and other basic body functions. The effects are often different for everyone who has the disease.
When certain heart disease or circulatory system malfunction occurs, it can lead to the problems with the bodyâs metabolism. The most common heart disease is coronary artery disease (medically called arteriosclerosis) and it is a condition when the plaque forms in the walls of the arteries.eart disease is the general term for all diseases and disorders that affect the heart and blood vessels, such as heart attack, stroke, coronary artery disease, and congenital or present at birth heart defects, as well as arrhythmia, angina and cardiomyopathy. Heart disease affects the body in several ways.