Sciencewood Ramesh Kumar P | Page 54

Pg.no. 54 In most cases of food poisoning, the food is contaminated by bacteria, such as salmonella or Escherichia coli (E. coli), or a virus, such as the norovirus. Signs and symptoms The symptoms of food poisoning usually begin within one to two days of eating contaminated food, although they may start at any point between a few hours and several weeks later. The main symptoms include:  feeling sick (nausea)  vomiting  diarrhea, which may contain blood or mucus  stomach cramps and abdominal (tummy) pain  a lack of energy and weakness  loss of appetite  a high temperature (fever)  aching muscles  chills 16. High cholesterol: Cholesterol is a fatty substance known as a lipid and is vital for the normal functioning of the body. It's mainly made by the liver, but can also be found in some foods. Having an excessively high level of lipids in your blood (hyperlipidemia) can have an effect on your health. High cholesterol itself doesn't usually cause any symptoms, but it increases your risk of serious health conditions. What should my cholesterol levels be? Blood cholesterol is measured in units called mill moles per liter of blood, often shortened to mmol/L. As a general guide, total cholesterol levels should be:  5mmol/L or less for healthy adults  4mmol/L or less for those at high risk As a general guide, LDL levels should be:  3mmol/L or less for healthy adults  2mmol/L or less for those at high risk