**Core Concept**
Primary health care is a holistic approach to health care that focuses on preventing and treating diseases at the community level. It involves a range of services, including health education, disease prevention, and curative care, with an emphasis on the social and environmental determinants of health.

**Why the Correct Answer is Right**
The World Health Organization (WHO) defines primary health care as "essential health care based on practical, scientifically sound, and socially acceptable methods and technology made universally accessible to individuals and families in the community through their full participation and at a cost that the community and country can afford." This definition encompasses a range of services, including health promotion, disease prevention, and treatment of common illnesses and injuries. The key principles of primary health care include accessibility, equity, and community participation.

**Why Each Wrong Option is Incorrect**
**Option A:** While health education is an important component of primary health care, it is not the only aspect, so this option might be partially correct but the question asks for 'all except'.

**Option B:**
This option is incorrect because primary health care does indeed involve the provision of essential health services, including curative care for common illnesses and injuries.

**Option C:**
This option is incorrect because primary health care does indeed involve the use of scientifically sound and socially acceptable methods and technology to provide health care services.

**Clinical Pearl / High-Yield Fact**
It's essential to remember that primary health care is a community-based approach that emphasizes accessibility, equity, and community participation, and it's not just limited to the provision of curative care.

**Correct Answer:**
A