Freebase(0.00 / 0 votes)Rate this definition: Lidar is a remote sensing technology that measures distance by illuminating a target with a laser and analyzing the reflected light. The term lidar comes from combining the words light and radar. Lidar is popularly known as a technology used to make high resolution maps, geomatics, archaeology, geography, geology, geomorphology, seismology, forestry, remote sensing, atmospheric physics, airborne laser swath mapping, laser altimetry, and contour mapping.
Cholesterol is a waxy, fat-like substance made in the liver and found in certain foods from animals, such as dairy products, eggs, and meat. The body needs some cholesterol in order to function properly. However, too much cholesterol can increase a person's risk of developing heart disease. There are several factors that contribute to high cholesterol -- some are controllable while others are not. Gender: After menopause, a woman's LDL cholesterol level (bad cholesterol) goes up, as does her risk for heart disease.
In the Norwegian study, overall risk of death was not any higher in men with cholesterol levels of 7.0 mmol/l or higher than in individuals with levels of less than 5.0 mmol/. Actually, the lowest risk of death in men was seen in individuals with cholesterol levels in the 5.0 â 5.9 mmol/l. In this group, overall risk of death was actually 23 per cent lower than in men with the lowest cholesterol levels.