Barbara O’Neill presents health as something supported through daily choices and close attention to the body’s basic needs. Working within a nature-cure framework, she discusses food, water, sunlight, movement, rest, and other lifestyle practices as tools for maintaining well-being and assisting the body’s recovery processes. The emphasis falls on practical routines and natural remedies rather than on a conventional medical account of diagnosis and treatment. Readers encounter an approach that links prevention to household habits and treats personal responsibility as central to lasting health. Sustain Me is therefore best understood as a guide to O’Neill’s wellness philosophy, not as a substitute for evidence-based medical care; its health claims and recommendations warrant independent checking, particularly when illness, medication, or urgent symptoms are involved.
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