Page 62 - Biology Form Two
P. 62

Biology for Secondary Schools


              Indigestion                             Prevention and control of indigestion
              This is a  problem of the digestive  (i)      Set and adhere to a meals timetable.
              system where digestion takes place very   (ii)  Avoid too spicy and too fatty
              slowly. The affected individual lacks         foods.
          FOR ONLINE READING ONLY
              appetite and feels full most of the time,  (iii)  Avoid stress and maintain sensible
              even after taking very little food. People    life.
              who work under very high pressure  (iv)  Ensure good work management.

              may become ‘stressed’ and this can  (v)  Eat a balanced diet.
              cause indigestion. Sick people also may  (vi)  Time for taking meals should be
              be affected by indigestion, for example       planned properly so that there is
              those with ulcers in the stomach or           enough time for each meal to be
              duodenum.                                     eaten in a relaxed way.
                                                      (vii)  Seek medical advice for a
              Poor eating  habits,  especially  eating      prolonged indigestion problem.
              too  much food, taking meals very       (viii) Exercise to help food digestion.
              late in the night, or eating much food
              shortly before going to bed can cause   Peptic ulcers
              indigestion. Eating too much spicy or   These are sores that affect the lining of

              fatty foods can also lead to indigestion,   the stomach or the upper portion of the
              and it could be worse if food is        small intestine (duodenum). The ulcers
              accompanied by cold drinks or alcohol.   in the stomach are called gastric ulcers
              Indigestion is usually associated  with   while the ulcers in the duodenum are
              pain  and discomfort  in  the  stomach.   called  duodenal ulcers. Ulcers result
              Depending on the type of food eaten,    from the erosion of the mucus coating
              swallowing too quickly without proper   of these organs, thus exposing them to

              chewing can also lead to indigestion.   the action of digestive  enzymes and

              Symptoms of indigestion                 acid. The mucus coating can be broken
              (i)   Tendency of feeling full for a long  by  the  bacteria  called  Helicobacter
                    time, even 2-3 days.              pylori. Certain types of medicines can
              (ii)  Lack of appetite.                 also cause peptic  ulcers. Smoking,
                                                      consuming excessive alcohol and
              (iii)  Stomach discomfort and
                    restlessness.                     caffeine as well as emotional stress are
                                                      additional causes of peptic ulcers.
              (iv)  Nausea and vomiting.








             56                                                      Student’s Book - Form Two



                                                                                          05/10/2024   15:36:24
     BIOLOGY FORM 2 NEW.indd   56                                                         05/10/2024   15:36:24
     BIOLOGY FORM 2 NEW.indd   56
   57   58   59   60   61   62   63   64   65   66   67