(uncountable) The state or quality of being healthy. / (countable) The product or result of being healthy.

plural of healthiness

Enjoying good health; well; free from disease or disorder. / Conducive to health. / Evincing health. / (figuratively) Significant, hefty; beneficial.

plural of healthie

A selfie taken during a workout session, typically to show one's commitment to health and fitness.

(simile) Very healthy.

Tending to prevent premature heart disease.

(medicine, statistics) A skewing of data in randomized medical studies that occurs when healthy participants are less likely to drop out of the study than sicker patients.

A potential bias in epidemiologic studies, involving the fact that subjects who voluntarily enroll in a clinical trial and actually follow the experimental regimen are likely to be healthier than the general population.

plural of healthy worker bias