Food-dDelivery aApps and kthe Kitchen

Title capitalization rules.
Note - if you want a professional tone for your text, spell out the word "applications"

Food-delivery is often touted as the dealth of the kitchen. Reserarch from the London School of Economics study shows that more than a half of people in today's society prefer a clean and healthy diet. Compared to takeout food,the dishes cooked by themselves are favored by them.Fat home are preferred by these individuals. The food delivery industry is supposed to have enhanced hygiene management. Compared to a convenient life, a healthy lifestyle is what we truly need.

I edited this line to remove ambiguity: "Compare to takeout food, the dishes cooked by themselves are favored by them"
When you say "dishes cooked by themselves" the "themselves" is going to be interpreted as "dishes" rather than the people you mean to reference

Food- delivery apps and the kitchen

Food- delivery is often touted as the dealth of the kitchen.Reserach fromA study by the London School of Economics study shows that more than a half the people in today society prefer a clean and healthy diet. Compared to takeout food,the dishes cooked by themselves are favored by them.F The food delivery industry is supposed to enhanced hygiene management. Compared to a convenient life, a healthy lifestyle is what we truly need.