Analog RGB signals carry video information for the three primary video colors on separate signals, one for each color. Formats that use analog waveforms for RGB signals in home entertainment systems include component video and video graphics array.
Sinus infection, or sinusitis, is an inflammation of the sinuses and nasal passages. A sinus infection can cause a headache or pressure in the eyes, nose, cheek area, or on one side of the head.
Sinus infections may be treatable by drinking diluted apple cider vinegar, according to Reader's Digest, which recommends a teaspoon of the fermented liquid, mixed with a glass of water, to help drain sinuses and clear runny or stuffy noses.