Simplify the following text for a Grade 15 native English-speaking person.
Original: It includes Biomedical gerontology , also known as experimental gerontology and life extension , is a sub discipline of biogerontology that endeavors to slow , prevent , and even reverse aging in both humans and animals .
Simplified: Biomedical gerontology , also known as experimental gerontology and life extension , is a sub discipline of biogerontology that endeavors to slow , prevent , and even reverse aging in both humans and animals .