Whenever the immune system ...

Whenever the immune system deals successfully with an infection, it emerges from the experience stronger and better able to confront similar threats in the future. Our immune system develops in combat. If, at the first sign of infection, you always jump in with antibiotics, you do not give the immune system a chance to grow stronger.
 Andrew Weil

Quotes from the same author

As an undergraduate at Harvard in the 1960s, I was fascinated by my visits to psychologist B.F. Skinner's laboratory.
 Andrew Weil
I'm still not comfortable recommending that people eat saturated fat with abandon, but it's clear to me that sugar, flour and oxidized seed oils create inflammatory effects in the body that almost certainly bear most of the responsibility for elevating heart disease risk.
 Andrew Weil
American businesses are struggling to pay outrageous, exploitive insurance bills for their employees, hampering our ability to compete globally.
 Andrew Weil
Low levels of vitamin D in the population as a whole suggest that most people need to take a vitamin D supplement. This may be especially true for seniors, as the ability to synthesize vitamin D in the skin declines with age.
 Andrew Weil
Health is wholeness--wholeness in its most profound sense, with nothing left out and everything in just the right order to manifest the mystery of balance. Far from being simply the absence of disease, health is a dynamic and harmonious equilibrium of all the elements and forces making up and surrounding a human being.
 Andrew Weil