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What is Cholesterol ? Cholesterol is a fat (lipid) which is produced by the liver and is crucial for normal body functioning. Cholesterol is found in many foods, but we donot require it in our diet because the body can synthesize all we need. Cholesterol exists in the outer laver of every cell in our body and has many functions. It is a waxy steroid and is transported in the blood plasma of all animals. It is the main sterol synthesized by animals - small amounts are also Synthesized in plants and fungi. The word “cholesterol" comes from the Greek word chole, meaning “bile”, and the Greek word stereos, meaning “solid, stiff”.  Functions of cholesterol (How It works in our Body ?) 1. It builds and maintains cell membranes (outer layer), it prevents crystallization of hydrocarbons in the membrane.  2. It is essential for determining, which molecules can pass into the cell and which cannot (cell membrane permeability) . 3.   It is involved in the production of sex hormones...

What is Antioxidants with Example & health benefits of antioxidants? An antioxidant is a molecule that inhibits the oxidation of other molecule. Oxidation is a chemical reaction that transfers electrons or hydrogen from a substance to an oxidizing agent. Oxidation produces free radicals which ultimately cause damage to the cell.  What is free radicals ?  The human body is composed of different types of cells and cells are composed of different types of molecules. Molecules consists of one or more atoms joined by chemical bonds. Atoms consist of a nucleus (containing the protons and neutrons) and electrons which surrounds the nucleus in one or more shells. When a substance that has a full outer shell will not enter in chemical reactions, but the substance which do not have full outer shell seek to reach a state of maximum stability. [the maximum number of electrons to be stable in the 1st shell K is 2 (2x? = 2.1 = 2), in the 2nd shell L is 8 (2x? = 2.2°=8) and in the 3rd sh...

Get a healthy heart Follow these mantras to keep your heart healthy- There’s no denying the fact that heart health is of utmost importance. And before we land up at the doctor’s chamber, it is essential that we take care of ourselves in all the ways possible. Some of the most basic steps we can take in this regard are: Exercise regularly Adults need at least 30 minutes of exercise five or more days a week for a healthy heart. Try to get at least 30 minutes of exercise daily and break it up, if you like. You should get your heart rate up so that you are somewhat breathless, but can still carry on a conversation. All kinds of exercises are important, from strength training and aerobics, to flexibility and stretching. Food rules  1) Limit bad fat : Eat less saturated fat. You can reduce your risk of heart disease by half. Start by switching to low-fat meat and dairy, and change to healthier fats like olive and canola oils.  2) Cut the salt : Cook with less salt, limit proce...