There are an estimated 30,000 mountain lions in the western United States. One mountain lion subspecies, the Florida panther, is critically endangered with a population of less than 100 individuals.
Causes of muscle twitching include: 1  Pregnancy. 2  Stress or anxiety. 3  Excessive caffeine. 4  Hypothyroidism. 5  Bug bites or stings. 6  Mono. 7  Parkinson's Disease. 8  Side-effects of certain drugs or medication (such as diuretics, corticosteroids, or estrogens).9  Dehydration.hese twitches often go unnoticed, and when you do feel them, they tend to feel worse and more noticeable than they actually are. Twitches, also known as fasciculations, can occur in the arms, feet, fingers, hands, head, legs, stomach, and other parts of the body.
Mononucleosis causes the inflammation of the liver, which is more commonly known as hepatitis. It can also cause enlargement of the spleen. It is advised to people suffering from the mono virus infection to avoid vigorous contact sports as this may cause the spleen to rupture.ononucleosis causes the inflammation of the liver, which is more commonly known as hepatitis. It can also cause enlargement of the spleen. It is advised to people suffering from the mono virus infection to avoid vigorous contact sports as this may cause the spleen to rupture.