Life is a terminal, degenerative, sexually transmitted condition. Therefore you, the reader have a terminal, degenerative sexually transmitted condition.
All living things will die.
Living things are subject to various kinds of wear-and-tear which results in degeneration over time.
Sexual reproduction is widespread in the domain of life. An asexually reproducing organism could be said to have a “terminal degenerative condition” instead.
Life is a condition, not a disease. While “disease” is the usual word partner for “terminal”, a “terminal condition” is also valid.