If homocysteine cannot be converted into cysteine or returned to the methionine form, levels of homocysteine in the body increase. Elevated homocysteine levels have been associated with heart attack, stroke, blood clot formation, and perhaps the development of Alzheimer's disease.
In captivity, a rhino may live 40 years. RANGE: Rhinos are found in parts of Africa and Asia. HABITAT: Rhino habitat ranges from savannas to dense forests in tropical and subtropical regions. FOOD: Rhinos are herbivores, meaning they eat only plants.White rhinos, with their square-shaped lips, are ideally suited to graze on grass. Other rhinos prefer to eat the foliage of trees or bushes.ABITAT: Rhino habitat ranges from savannas to dense forests in tropical and subtropical regions. FOOD: Rhinos are herbivores, meaning they eat only plants. White rhinos, with their square-shaped lips, are ideally suited to graze on grass. Other rhinos prefer to eat the foliage of trees or bushes.
Rhinos once roamed many places throughout Eurasia and Africa and were known to early Europeans who depicted them in cave paintings. Long ago they were widespread across Africa's savannas and Asia's tropical forests. But today very few rhinos survive outside national parks and reserves. Two species of rhino in AsiaâJavan and Sumatranâare Critically Endangered. A subspecies of the Javan rhino was declared extinct in Vietnam in 2011. A small population of the Javan rhino still clings for survival on the Indonesian island of Java.