John Hayes studies food choice, using sensory science methods and behavioral genetics to understand biological factors that may cause individuals to like and consume some foods but not others. Hayes is also interested in using sensory science methods to increase user acceptability of various drug delivery systems. He recently began investigating the relationship between the Covid-19 virus and loss of taste and smell.
from Philadelphia Inquirer June 28, 2019
There is a lot of folklore on what works to counteract the burn, but not much data to support the claims, said John Hayes, associate professor of food science.
from Popular Science November 14, 2017
Kids are notoriously picky in the vegetable department, but adults have a lot of room to improve as well. Nearly 90 percent of the U.S. population doesn't eat enough vegetables. Could anything make us change our ways? “Just giving people the information is not sufficient. If you really want to get some behavior change, you have to make it easy for people to do,” says John Hayes, a food scientist at Pennsylvania State University in University Park. “If food does not taste good, people will not eat it.”
from Wall Street Journal March 19, 2013
"They could say, 'You know, I want you to eat more fruits and vegetables but you're going to find it hard to eat kale or Brussels sprouts. Maybe you should try sweet potatoes and squash instead.' "