energy, warmth, and immune function energy, warmth, and immune function energy, warmth, and immune function energy, warmth, and immune function energy, warmth, and immune function energy, warmth, and immune function energy, warmth, and immune function energy, warmth, and immune function energy, warmth, and immune function energy, warmth, and immune function energy, warmth, and immune function energy, warmth, and immune function energy, warmth, and immune function energy, warmth, and immune function energy, warmth, and immune function energy, warmth, and immune function energy, warmth, and immune function energy, warmth, and immune function energy, warmth, and immune function energy, warmth, and immune function