Did someone investigate the process of becoming enlightened which is according to the Buddhist teachings to be completely mentally healthy in detail & scientifically?

Why does the Center of Healthy Minds in Madison not investigate meditators such as Milarepa? The Center of Healthy Minds in Madison found out that the effect of 10 – 20 min of meditation can change the brain in an objectively measurable way. But Milarepa meditated much longer than that: “The stunning lesson in impermanence …