Fix grammaticality of the sentence: So, current research and development or policies in particular field of science and medicine have helped to ease the aging process.
The study of the relationship between the two is a major challenge for the future of the field of gerontology.
The study of the relationship between the two is a major challenge for the future of the field of gerontology.
The study of the relationship between the two is a major challenge for the future of the field of gerontology.
The study of the relationship between the two is a major challenge for the future of the field of gerontology.
The study of the relationship between the two
The study of the relationship between the two is a major challenge for the future of the field of gerontology.
The study of the relationship between the two is a major challenge for the future of the field of gerontology.
The study of the relationship between the two is a major challenge for the future of the field of gerontology.
The study of the relationship between the two is a major challenge for the future of the field of gerontology.
The study of the relationship between the two