What we can say is that aging occurs when intrinsic processes and interactions with the environment, like sunlight, and toxins in the air, water, and our diets, cause changes in the structure and function of the body's molecules and cells.
Yang kita tahu, penuaan muncul saat proses intrinsik dan interaksi dengan lingkungan, seperti sinar matahari, dan racun di udara, air, serta makanan kita, menyebabkan perubahan struktur dan fungsi molekul dan sel tubuh kita.