Causes of cirrhosis. Common causes of cirrhosis are long-term alcohol abuse, hepatitis B and C infection, and fatty liver disease. Of those, hepatitis B and C together are said to be the leading cause of cirrhosis (WHO).
Leatherbacks have downward pointing spines in their throat, which allows jellyfish to be swallowed, but prevents them from coming back up. Typical Lifespan: Leatherbacks reach maturity at approximately 13 to 14 years. Their average lifespan is unknown, but itâs thought to be at least 30 years. Habitat: Leatherbacks spend most of their lives at sea and sometimes look for prey in coastal waters.
Sexual Maturity. Sexual maturity varies among sea turtle species but ranges between approximately 7 and 50 years. The smaller Kemp's and olive ridleys mature around the age of 10 years.Loggerheads, hawksbills, flatbacks, and greens mature between 20 and 50 years, and the enormous leatherback around 15 years.exual Maturity. Sexual maturity varies among sea turtle species but ranges between approximately 7 and 50 years. The smaller Kemp's and olive ridleys mature around the age of 10 years.