Health care is the diagnosis, treatment, and prevention of disease, illness, injury, and other physical and mental impairments in humans. Health care is delivered by practitioners in medicine, optometry, dentistry, nursing, pharmacy, allied health, and other care providers. It refers to the work done in providing primary care, secondary care and tertiary care, as well as in public health.
When Doctor Rebos told Wendy that there wasn't enough money spent on the sick and needy of Earth, and far too much spent on space exploration, Wendy told him that's not true, because there are a lot of welfare and health care programs. Rebos however, told her that it wasn't enough to satisfy him.