Commercially important tree species, such as pine, acacia and eucalyptus, have been extensively studied and their ecological requirements are well-understood.

Source: https://southafricatoday.net/environment/new-tree-tech-data-driven-reforestation-methods-match-trees-to-habitats/

However, Jaffe added that in order to truly make this new technology feasibly accessible to the general public, he believes it must be shown to be effective, well-understood by healthcare professionals, reimbursable by insurance and affordable.

Source: https://stanforddaily.com/2023/05/14/impulse-biotech-conference-highlights-use-of-technology-in-personalized-healthcare/

Normalizing utilization of healthcare is perhaps a bit more of a threat, but one that I think is already well-understood and factored into guidance.

Source: https://seekingalpha.com/article/4570765-unitedhealth-stock-seems-curiously-undervalued-given-multiple-growth-drivers?source=feed_all_articles