In 2011, Delta-9-tetrahydrocannabinol may palliate altered chemosensory perception in cancer patients in a randomized, double-blind, placebo-controlled pilot trial

BACKGROUND: To determine if delta-9-tetrahydrocannabinol (THC) can improve taste and smell (chemosensory) perception as well as appetite, caloric intake, and quality of life (QOL) for cancer patients with chemosensory alterations.

You can read the full article here => https://academic.oup.com/annonc/article/22/9/2086/211788/Delta-9-tetrahydrocannabinol-may-palliate-altered