Allah tala created fruits and fruits have ability to heal mankind and other allah creation . Means when human ill and they eat fruits so they get relief. That’s why many Dr and hakeen they says there patient to eat fruits .fruits cure illness and give you energy. it depend on fruit what type of fruit you are eating . there are many types of fruits .each fruits have there ability to heal people . for example sugar cane cure disease of jaundice. Sugar cane cure lever hotness. Lot of people they used onion for cure sick . watermelon they cure of abdomen hotness and wash abdomen . Guava they break kabaz .
Allah tala said in quran
69Then to eat of all the produce (of the earth), and find with skill the spacious paths of its Lord: there issues from within their bodies a drink of varying colours, wherein is healing for men: verily in this is a Sign for those who give thought.
Surah nahal chaptor number 16 verse number 69
if you have any questions
feel free to email me