If you are a tobacco smoker, use of Acetaminophen can increase the risk of liver side effects. Immediately tell your doctor if you get severe abdominal pain, nausea, vomiting, or yellowing of the skin. Do not exceed 4 g acetaminophen/day in adults.
Captive iguanas often live to be 10-12 years old. There are reports of them having lived past 20 years in captivity. Only about a third of the iguanas sold in pet stores survive to maturity because of importation stress, improper diet, temperature and sunlight. In the wild, the number is even lower because the babies are finger-food for a number of jungle predators.
At around two years old, cougar offspring will leave their mother to start their own life. Some travel far to establish their own territory as cougars need a lot of room to roam. A healthy cougar in the wild can live to around 10 years of age. In captivity, cougars can live as long as 20 years.