They say the best investment is in your health. (I agree, although I have to admit I don t really stick to that myself.)
Right now, health is mostly being supported at the level of:
physical fitness (workout apps, weight-loss tools, smart devices for heart-rate tracking, step counters) mental health (e.g., digital detox apps, a personal therapist in your phone) longevity (more of a long-term process, experimenting across different areas)