1 / 7Cholesterol is a fatlike substance produced by the liver. It helps in the formation of cell membranes, hormones, and Vitamin D. As cholesterol is insoluble in water, it cannot travel on its own in the body. Lipoproteins help in transportation of cholesterol through the bloodstream, and they are of two major kinds – LDL and HDL.2 / 7LDL (Low-density Lipoproteins) or bad cholesterol can lead to health issues like heart attack as LDL builds up in arteries and block them. HDL (high-density Lipoproteins) is called good cholesterol and they help return excess LDL to the liver to remove it out of the body.3 / 7Change in nail colour also indicates high cholestrol.4 / 7High cholesterol can cause your feet or legs to feel cold around the year irrespective of the season. This accompanied by intense leg cramps during nights are indicators of high cholesterol and you must get your blood test done if you experience these.5 / 7High blood pressure is also a sign of high cholestrol6 / 7 Even young children can have unhealthy cholesterol, but it's much more common in people over 40. As you age, your liver becomes less able to remove LDL cholesterol.7 / 7Eat a low-salt diet that emphasizes fruits, vegetables and whole grains