Learn Biochemistry

  The 10 causes of air pollution are as follows: Air pollution is caused by both natural and man-made causes.  Man-made causes are more responsible.  Natural factors that are responsible for air pollution include volcanic eruptions, wind erosion, forest fires, pollen scattering, natural radioactivity and evaporation of organic compounds.  The following  are the 10 main causes of air pollution  : Stationary source:  These include power plants, various manufacturing plants, various types of reactors, fuel heating devices, waste incinerators, etc.  These produce large amounts of smoke, which is a major cause of air pollution in developing and poor countries.  Burning wood, crop wastes and dung also causes a lot of air pollution. Mobile source:  This includes motor vehicles, ships, aircraft, etc.  These cause air pollution as well as noise pollution.  These vehicles emit carbon monoxide (CO).  Carbon monoxide is a colorless, odorless and toxic gas.  CO is also produced by incomplete combus

  Diseases and symptoms of vitamin A deficiency Vitamin A deficiency diseases are mentioned below: Liver cirrhosis Celiac disease Bile duct disorder Ratkana Xerophthalmia Beetroot stains Dry skin Itching Burning of the skin Disrupting physical growth Decreased fertility and infertility Deficiency and treatment About 350,000 preschool-age children go blind each year due to vitamin A deficiency, and most of them do not survive.  The most common clinical symptoms of vitamin A deficiency are night blindness and  xerophthalmia  .  Vitamin A deficiency in young children causes beetroot spots on the conjunctiva of the eye and various eye symptoms.  Inadequate intake of vitamin A can lead to protein-calorie malnutrition, lipid malabsorption and fever.  Among adults, breastfeeding mothers are most at risk.  Treatment: The recommended treatment for xerophthalmia in children 1 to 6 years of age is 210umol retinyl palmitate.  And this dose should be repeated one day later and then 2-4 weeks later.

Reasons of increasing Cholesterol: Elevated cholesterol levels are called high cholesterol or  hypercholesterolemia  .  Cholesterol rises when LDL levels rise.  Causes of high cholesterol or high cholesterol Obesity Eating fatty red meat Full fat dairy products Consumption of saturated fats, trans fats and processed foods Large waist circumference (over 40 inches for males or over 35 inches for females) Do not exercise regularly Smoking (Non-smokers have higher HDL cholesterol levels than non-smokers) Stress (Stress can increase LDL levels) Eating extra fatty foods In some cases, heredity may also be due to hereditary high cholesterol.  This condition  is called  familial hypercholesterolemia (FH)   .  FH is caused by a genetic mutation.  It has high LDL levels and increases the risk of heart attack and stroke at a young age. Problems that occur when cholesterol rises: Heart disease Chest pain Angina High blood pressure Stroke Heart attack Kidney problems What is Cholesterol? Functions

Vitamin C is a member of the water-soluble vitamin group which is found in a variety of foods and even sold as a supplement.  Vitamin C is one of the essential nutrients for humans and other animals.  Most animals are able to make vitamin C in their own bodies.  However, there are humans, monkeys, bats and other animals that cannot make vitamin C, so they must meet their vitamin C needs through food sources or supplements.   Metabolism of vitamin C: Ascorbic acid is a crystalline sugar and can be synthesized from D-glucose or D-galactose in most organisms except primates, guinea pigs, Indian fruit-eating bats and some birds. Naturally occurring vitamin C is L-xylo-ascorbic acid.  L-xylo-ascorbic acid is oxidized to copper, heat, or mild alkalinity to L-dehydroascorbic acid.  Both L-ascorbic acid and L-dehydroascorbic acid are physiologically active forms of vitamin C.  L-dehydroascorbic acid is subsequently oxidized to form more 2,3-diketo-l-gulonic acid and oxalate, and the reaction i