factors, such as obesity or anemia, with diseases which influence nutritional status such as diabetes, tuberculosis, drug addiction, alcoholism and mental disorder; (m) Overweight and obesity refer to the abnormal or excessive fat accumulation that may impair health. It is measured by BMI, a simple index of weight-for-height, which is commonly used to classify overweight and obesity among adults. BMI is calculated by dividing a person's weight in kilograms by the square of his/her height in meters (kg/m2). According to the WHO, adults with a BMI greater than or equal to twenty-five (25) are overweight and a BMI greater than or equal to thirty (30) is obese. For children, it is defined as the percentage of children aged zero (0) to fifty-nine (59) months whose weight for length/height is above two (2) SD (overweight) or above three (3) SD (obese) from the median of the WHO Child Growth Standards; (n) Responsive caregiving refers to the method where the caregiver pays prompt and close attention with affection to what the child is signaling and then provides a response that is appropriate to the child's immediate behavior, needs and developmental state; (o) Severe Acute Malnutrition (SAM) refers to very low weight for length/height, defined as less than three (3) SD below the median (<-3SD) of the WHO Growth Standards, characterized by visible severe wasting, or by the presence of bipedal pitting edema, or a MUAC measurement of less than one hundred fifteen millimeters (<115mm); and (p) Stunting refers to chronic undernutrition during the most critical periods of growth and development in early life. It is defined as the percentage of children aged zero (0) to fifty-nine (59) months whose height for age is below minus two (2) SD (moderate stunting) and minus three (3) SD (severe stunting) from the median of the WHO Child Growth Standards. Section 7. Program Implementation. - The DOH, in coordination with the NNC, the DA, the LGUs and other NGAs concerned, shall be responsible for the implementation of this Act. It shall be implemented at the barangay level through the rural health units and/or barangay health centers, in coordination with the Sangguniang Barangay. The Barangay Nutrition Scholars (BNS) and the Barangay Health Workers (BHWs) shall be mobilized and provided with resources and benefits to carry out their tasks. The LGUs are encouraged to integrate maternal, neonatal, child health and nutrition programs in the local nutrition action plans and investment plans for health. 1âw phi 1 The NNC and other concerned NGAs shall provide appropriate technical assistance to respective LGU counterparts in the development, formulation, and implementation of this Act. Section 8. Program Components. - The program shall include health and nutrition services and interventions provided at the different life stages. The LGUs, NGAs, concerned CSOs, and other stakeholders shall work together to ensure the delivery of these services and interventions. (a) Prenatal Period (First Two Hundred Seventy (270) Days). – Prenatal care services at the facility and community level shall include, but not be limited to, the following: (1) Pregnancy tracking and enrollment to antenatal care services (ANC);